diff --git a/dist/js/bootstrap.js b/dist/js/bootstrap.js
index 3edf7eb323..7d51c641c2 100644
--- a/dist/js/bootstrap.js
+++ b/dist/js/bootstrap.js
@@ -2203,16 +2203,23 @@ var ScrollSpy = (function ($) {
   };
 
   var ClassName = {
+    DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
+    NAV_LINK: 'nav-link',
+    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
+    LIST_ITEM: '.list-item',
     LI: 'li',
     LI_DROPDOWN: 'li.dropdown',
-    NAV_ANCHORS: '.nav li > a'
+    NAV_LINKS: '.nav-link',
+    DROPDOWN: '.dropdown',
+    DROPDOWN_ITEMS: '.dropdown-item',
+    DROPDOWN_TOGGLE: '.dropdown-toggle'
   };
 
   var OffsetMethod = {
@@ -2233,7 +2240,7 @@ var ScrollSpy = (function ($) {
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_ANCHORS;
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
@@ -2381,20 +2388,20 @@ var ScrollSpy = (function ($) {
 
         this._clear();
 
-        var selector = this._selector + '[data-target="' + target + '"],' + (this._selector + '[href="' + target + '"]');
+        var queries = this._selector.split(',');
+        queries = queries.map(function (selector) {
+          return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+        });
 
-        // todo (fat): getting all the raw li's up the tree is not great.
-        var parentListItems = $(selector).parents(Selector.LI);
+        var $link = $(queries.join(','));
 
-        for (var i = parentListItems.length; i--;) {
-          $(parentListItems[i]).addClass(ClassName.ACTIVE);
-
-          var itemParent = parentListItems[i].parentNode;
-
-          if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-            var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
-            $(closestDropdown).addClass(ClassName.ACTIVE);
-          }
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // todo (fat) this is kinda sus…
+          // recursively add actives to tested nav-links
+          $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
         }
 
         $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -2404,11 +2411,7 @@ var ScrollSpy = (function ($) {
     }, {
       key: '_clear',
       value: function _clear() {
-        var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
-
-        for (var i = activeParents.length; i--;) {
-          $(activeParents[i]).removeClass(ClassName.ACTIVE);
-        }
+        $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
       }
 
       // static
@@ -2511,13 +2514,14 @@ var Tab = (function ($) {
   var Selector = {
     A: 'a',
     LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    DROPDOWN: '.dropdown',
     UL: 'ul:not(.dropdown-menu)',
-    FADE_CHILD: '> .fade',
+    FADE_CHILD: '> .nav-item .fade, > .fade',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .active',
+    ACTIVE_CHILD: '> .nav-item > .active, > .active',
     DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
-    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu > .active'
+    DROPDOWN_TOGGLE: '.dropdown-toggle',
+    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
 
   /**
@@ -2549,7 +2553,7 @@ var Tab = (function ($) {
       value: function show() {
         var _this15 = this;
 
-        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).parent().hasClass(ClassName.ACTIVE)) {
+        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
           return;
         }
 
@@ -2561,10 +2565,6 @@ var Tab = (function ($) {
         if (ulElement) {
           previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
           previous = previous[previous.length - 1];
-
-          if (previous) {
-            previous = $(previous).find(Selector.A)[0];
-          }
         }
 
         var hideEvent = $.Event(Event.HIDE, {
@@ -2589,7 +2589,7 @@ var Tab = (function ($) {
           target = $(selector)[0];
         }
 
-        this._activate($(this._element).closest(Selector.LI)[0], ulElement);
+        this._activate(this._element, ulElement);
 
         var complete = function complete() {
           var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -2644,22 +2644,16 @@ var Tab = (function ($) {
           $(active).removeClass(ClassName.ACTIVE);
 
           var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
           if (dropdownChild) {
             $(dropdownChild).removeClass(ClassName.ACTIVE);
           }
 
-          var activeToggle = $(active).find(Selector.DATA_TOGGLE)[0];
-          if (activeToggle) {
-            activeToggle.setAttribute('aria-expanded', false);
-          }
+          active.setAttribute('aria-expanded', false);
         }
 
         $(element).addClass(ClassName.ACTIVE);
-
-        var elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-        if (elementToggle) {
-          elementToggle.setAttribute('aria-expanded', true);
-        }
+        element.setAttribute('aria-expanded', true);
 
         if (isTransitioning) {
           Util.reflow(element);
@@ -2670,15 +2664,12 @@ var Tab = (function ($) {
 
         if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-          var dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0];
+          var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
           if (dropdownElement) {
-            $(dropdownElement).addClass(ClassName.ACTIVE);
+            $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
           }
 
-          elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-          if (elementToggle) {
-            elementToggle.setAttribute('aria-expanded', true);
-          }
+          element.setAttribute('aria-expanded', true);
         }
 
         if (callback) {
diff --git a/dist/js/bootstrap.min.js b/dist/js/bootstrap.min.js
index 80412986de..013ed31875 100644
--- a/dist/js/bootstrap.min.js
+++ b/dist/js/bootstrap.min.js
@@ -3,6 +3,5 @@
  * Copyright 2011-2015 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1)throw new Error("Bootstrap's JavaScript requires jQuery version 1.9.1 or higher")}(jQuery),+function(){"use strict";function a(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}}),b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)}function b(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}{var c=function(a,b,c){for(var d=!0;d;){var e=a,f=b,g=c;h=j=i=void 0,d=!1,null===e&&(e=Function.prototype);var h=Object.getOwnPropertyDescriptor(e,f);if(void 0!==h){if("value"in h)return h.value;var i=h.get;return void 0===i?void 0:i.call(g)}var j=Object.getPrototypeOf(e);if(null===j)return void 0;a=j,b=f,c=g,d=!0}},d=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),e=function(a){function b(a){return{}.toString.call(a).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function c(a){return(a[0]||a).nodeType}function d(){return{bindType:h.end,delegateType:h.end,handle:function(b){return a(b.target).is(this)?b.handleObj.handler.apply(this,arguments):void 0}}}function e(){if(window.QUnit)return!1;var a=document.createElement("bootstrap");for(var b in i)if(void 0!==a.style[b])return{end:i[b]};return!1}function f(b){var c=this,d=!1;return a(this).one(j.TRANSITION_END,function(){d=!0}),setTimeout(function(){d||j.triggerTransitionEnd(c)},b),this}function g(){h=e(),a.fn.emulateTransitionEnd=f,j.supportsTransitionEnd()&&(a.event.special[j.TRANSITION_END]=d())}var h=!1,i={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},j={TRANSITION_END:"bsTransitionEnd",getUID:function(a){do a+=~~(1e6*Math.random());while(document.getElementById(a));return a},getSelectorFromElement:function(a){var b=a.getAttribute("data-target");return b||(b=a.getAttribute("href")||"",b=/^#[a-z]/i.test(b)?b:null),b},reflow:function(a){new Function("bs","return bs")(a.offsetHeight)},triggerTransitionEnd:function(b){a(b).trigger(h.end)},supportsTransitionEnd:function(){return Boolean(h)},typeCheckConfig:function(a,d,e){for(var f in e)if(e.hasOwnProperty(f)){var g=e[f],h=d[f],i=void 0;if(i=h&&c(h)?"element":b(h),!new RegExp(g).test(i))throw new Error(a.toUpperCase()+": "+('Option "'+f+'" provided type "'+i+'" ')+('but expected type "'+g+'".'))}}};return g(),j}(jQuery),f=(function(a){var c="alert",f="4.0.0",g="bs.alert",h="."+g,i=".data-api",j=a.fn[c],k=150,l={DISMISS:'[data-dismiss="alert"]'},m={CLOSE:"close"+h,CLOSED:"closed"+h,CLICK_DATA_API:"click"+h+i},n={ALERT:"alert",FADE:"fade",IN:"in"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"close",value:function(a){a=a||this._element;var b=this._getRootElement(a),c=this._triggerCloseEvent(b);c.isDefaultPrevented()||this._removeElement(b)}},{key:"dispose",value:function(){a.removeData(this._element,g),this._element=null}},{key:"_getRootElement",value:function(b){var c=e.getSelectorFromElement(b),d=!1;return c&&(d=a(c)[0]),d||(d=a(b).closest("."+n.ALERT)[0]),d}},{key:"_triggerCloseEvent",value:function(b){var c=a.Event(m.CLOSE);return a(b).trigger(c),c}},{key:"_removeElement",value:function(b){return a(b).removeClass(n.IN),e.supportsTransitionEnd()&&a(b).hasClass(n.FADE)?void a(b).one(e.TRANSITION_END,a.proxy(this._destroyElement,this,b)).emulateTransitionEnd(k):void this._destroyElement(b)}},{key:"_destroyElement",value:function(b){a(b).detach().trigger(m.CLOSED).remove()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=new c(this),d.data(g,e)),"close"===b&&e[b](this)})}},{key:"_handleDismiss",value:function(a){return function(b){b&&b.preventDefault(),a.close(this)}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(m.CLICK_DATA_API,l.DISMISS,o._handleDismiss(new o)),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="button",e="4.0.0",f="bs.button",g="."+f,h=".data-api",i=a.fn[c],j={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},k={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},l={CLICK_DATA_API:"click"+g+h,FOCUS_BLUR_DATA_API:"focus"+g+h+" "+("blur"+g+h)},m=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"toggle",value:function(){var b=!0,c=a(this._element).closest(k.DATA_TOGGLE)[0];if(c){var d=a(this._element).find(k.INPUT)[0];if(d){if("radio"===d.type)if(d.checked&&a(this._element).hasClass(j.ACTIVE))b=!1;else{var e=a(c).find(k.ACTIVE)[0];e&&a(e).removeClass(j.ACTIVE)}b&&(d.checked=!a(this._element).hasClass(j.ACTIVE),a(this._element).trigger("change"))}}else this._element.setAttribute("aria-pressed",!a(this._element).hasClass(j.ACTIVE));b&&a(this._element).toggleClass(j.ACTIVE)}},{key:"dispose",value:function(){a.removeData(this._element,f),this._element=null}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(f);d||(d=new c(this),a(this).data(f,d)),"toggle"===b&&d[b]()})}},{key:"VERSION",get:function(){return e}}]),c}();return a(document).on(l.CLICK_DATA_API,k.DATA_TOGGLE_CARROT,function(b){b.preventDefault();var c=b.target;a(c).hasClass(j.BUTTON)||(c=a(c).closest(k.BUTTON)),m._jQueryInterface.call(a(c),"toggle")}).on(l.FOCUS_BLUR_DATA_API,k.DATA_TOGGLE_CARROT,function(b){var c=a(b.target).closest(k.BUTTON)[0];a(c).toggleClass(j.FOCUS,/^focus(in)?$/.test(b.type))}),a.fn[c]=m._jQueryInterface,a.fn[c].Constructor=m,a.fn[c].noConflict=function(){return a.fn[c]=i,m._jQueryInterface},m}(jQuery),function(a){var c="carousel",f="4.0.0",g="bs.carousel",h="."+g,i=".data-api",j=a.fn[c],k=600,l={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},m={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},n={NEXT:"next",PREVIOUS:"prev"},o={SLIDE:"slide"+h,SLID:"slid"+h,KEYDOWN:"keydown"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h,LOAD_DATA_API:"load"+h+i,CLICK_DATA_API:"click"+h+i},p={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},q={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},r=function(){function i(c,d){b(this,i),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(d),this._element=a(c)[0],this._indicatorsElement=a(this._element).find(q.INDICATORS)[0],this._addEventListeners()}return d(i,[{key:"next",value:function(){this._isSliding||this._slide(n.NEXT)}},{key:"prev",value:function(){this._isSliding||this._slide(n.PREVIOUS)}},{key:"pause",value:function(b){b||(this._isPaused=!0),a(this._element).find(q.NEXT_PREV)[0]&&e.supportsTransitionEnd()&&(e.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null}},{key:"cycle",value:function(b){b||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval(a.proxy(this.next,this),this._config.interval))}},{key:"to",value:function(b){var c=this;this._activeElement=a(this._element).find(q.ACTIVE_ITEM)[0];var d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||0>b)){if(this._isSliding)return void a(this._element).one(o.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?n.NEXT:n.PREVIOUS;this._slide(e,this._items[b])}}},{key:"dispose",value:function(){a(this._element).off(h),a.removeData(this._element,g),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),e.typeCheckConfig(c,b,m),b}},{key:"_addEventListeners",value:function(){this._config.keyboard&&a(this._element).on(o.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(o.MOUSEENTER,a.proxy(this.pause,this)).on(o.MOUSELEAVE,a.proxy(this.cycle,this))}},{key:"_keydown",value:function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case 37:this.prev();break;case 39:this.next();break;default:return}}},{key:"_getItemIndex",value:function(b){return this._items=a.makeArray(a(b).parent().find(q.ITEM)),this._items.indexOf(b)}},{key:"_getItemByDirection",value:function(a,b){var c=a===n.NEXT,d=a===n.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===n.PREVIOUS?-1:1,i=(e+h)%this._items.length;return-1===i?this._items[this._items.length-1]:this._items[i]}},{key:"_triggerSlideEvent",value:function(b,c){var d=a.Event(o.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d}},{key:"_setActiveIndicatorElement",value:function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(q.ACTIVE).removeClass(p.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(p.ACTIVE)}}},{key:"_slide",value:function(b,c){var d=this,f=a(this._element).find(q.ACTIVE_ITEM)[0],g=c||f&&this._getItemByDirection(b,f),h=Boolean(this._interval),i=b===n.NEXT?p.LEFT:p.RIGHT;if(g&&a(g).hasClass(p.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&f&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var l=a.Event(o.SLID,{relatedTarget:g,direction:i});e.supportsTransitionEnd()&&a(this._element).hasClass(p.SLIDE)?(a(g).addClass(b),e.reflow(g),a(f).addClass(i),a(g).addClass(i),a(f).one(e.TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(p.ACTIVE),a(f).removeClass(p.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(l)},0)}).emulateTransitionEnd(k)):(a(f).removeClass(p.ACTIVE),a(g).addClass(p.ACTIVE),this._isSliding=!1,a(this._element).trigger(l)),h&&this.cycle()}}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d=a.extend({},l,a(this).data());"object"==typeof b&&a.extend(d,b);var e="string"==typeof b?b:d.slide;c||(c=new i(this,d),a(this).data(g,c)),"number"==typeof b?c.to(b):e?c[e]():d.interval&&(c.pause(),c.cycle())})}},{key:"_dataApiClickHandler",value:function(b){var c=e.getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(p.CAROUSEL)){var f=a.extend({},a(d).data(),a(this).data()),h=this.getAttribute("data-slide-to");h&&(f.interval=!1),i._jQueryInterface.call(a(d),f),h&&a(d).data(g).to(h),b.preventDefault()}}}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_SLIDE,r._dataApiClickHandler),a(window).on(o.LOAD_DATA_API,function(){a(q.DATA_RIDE).each(function(){var b=a(this);r._jQueryInterface.call(b,b.data())})}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="collapse",f="4.0.0",g="bs.collapse",h="."+g,i=".data-api",j=a.fn[c],k=600,l={toggle:!0,parent:""},m={toggle:"boolean",parent:"string"},n={SHOW:"show"+h,SHOWN:"shown"+h,HIDE:"hide"+h,HIDDEN:"hidden"+h,CLICK_DATA_API:"click"+h+i},o={IN:"in",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},q={ACTIVES:".panel > .in, .panel > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},r=function(){function h(c,d){b(this,h),this._isTransitioning=!1,this._element=c,this._config=this._getConfig(d),this._triggerArray=a.makeArray(a('[data-toggle="collapse"][href="#'+c.id+'"],'+('[data-toggle="collapse"][data-target="#'+c.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return d(h,[{key:"toggle",value:function(){a(this._element).hasClass(o.IN)?this.hide():this.show()}},{key:"show",value:function(){var b=this;if(!this._isTransitioning&&!a(this._element).hasClass(o.IN)){var c=void 0,d=void 0;if(this._parent&&(c=a.makeArray(a(q.ACTIVES)),c.length||(c=null)),!(c&&(d=a(c).data(g),d&&d._isTransitioning))){var f=a.Event(n.SHOW);if(a(this._element).trigger(f),!f.isDefaultPrevented()){c&&(h._jQueryInterface.call(a(c),"hide"),d||a(c).data(g,null));var i=this._getDimension();a(this._element).removeClass(o.COLLAPSE).addClass(o.COLLAPSING),this._element.style[i]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&a(this._triggerArray).removeClass(o.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var j=function(){a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).addClass(o.IN),b._element.style[i]="",b.setTransitioning(!1),a(b._element).trigger(n.SHOWN)};if(!e.supportsTransitionEnd())return void j();var l=i[0].toUpperCase()+i.slice(1),m="scroll"+l;a(this._element).one(e.TRANSITION_END,j).emulateTransitionEnd(k),this._element.style[i]=this._element[m]+"px"}}}}},{key:"hide",value:function(){var b=this;if(!this._isTransitioning&&a(this._element).hasClass(o.IN)){var c=a.Event(n.HIDE);if(a(this._element).trigger(c),!c.isDefaultPrevented()){var d=this._getDimension(),f=d===p.WIDTH?"offsetWidth":"offsetHeight";this._element.style[d]=this._element[f]+"px",e.reflow(this._element),a(this._element).addClass(o.COLLAPSING).removeClass(o.COLLAPSE).removeClass(o.IN),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&a(this._triggerArray).addClass(o.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var g=function(){b.setTransitioning(!1),a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).trigger(n.HIDDEN)};return this._element.style[d]=0,e.supportsTransitionEnd()?void a(this._element).one(e.TRANSITION_END,g).emulateTransitionEnd(k):void g()}}}},{key:"setTransitioning",value:function(a){this._isTransitioning=a}},{key:"dispose",value:function(){a.removeData(this._element,g),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),b.toggle=Boolean(b.toggle),e.typeCheckConfig(c,b,m),b}},{key:"_getDimension",value:function(){var b=a(this._element).hasClass(p.WIDTH);return b?p.WIDTH:p.HEIGHT}},{key:"_getParent",value:function(){var b=this,c=a(this._config.parent)[0],d='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return a(c).find(d).each(function(a,c){b._addAriaAndCollapsedClass(h._getTargetFromElement(c),[c])}),c}},{key:"_addAriaAndCollapsedClass",value:function(b,c){if(b){var d=a(b).hasClass(o.IN);b.setAttribute("aria-expanded",d),c.length&&a(c).toggleClass(o.COLLAPSED,!d).attr("aria-expanded",d)}}}],[{key:"_getTargetFromElement",value:function(b){var c=e.getSelectorFromElement(b);return c?a(c)[0]:null}},{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this),d=c.data(g),e=a.extend({},l,c.data(),"object"==typeof b&&b);!d&&e.toggle&&/show|hide/.test(b)&&(e.toggle=!1),d||(d=new h(this,e),c.data(g,d)),"string"==typeof b&&d[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),h}();return a(document).on(n.CLICK_DATA_API,q.DATA_TOGGLE,function(b){b.preventDefault();var c=r._getTargetFromElement(this),d=a(c).data(g),e=d?"toggle":a(this).data();r._jQueryInterface.call(a(c),e)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="dropdown",f="4.0.0",g="bs.dropdown",h="."+g,i=".data-api",j=a.fn[c],k={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK:"click"+h,CLICK_DATA_API:"click"+h+i,KEYDOWN_DATA_API:"keydown"+h+i},l={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",OPEN:"open"},m={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},n=function(){function c(a){b(this,c),this._element=a,this._addEventListeners()}return d(c,[{key:"toggle",value:function(){if(this.disabled||a(this).hasClass(l.DISABLED))return!1;var b=c._getParentFromElement(this),d=a(b).hasClass(l.OPEN);if(c._clearMenus(),d)return!1;if("ontouchstart"in document.documentElement&&!a(b).closest(m.NAVBAR_NAV).length){var e=document.createElement("div");e.className=l.BACKDROP,a(e).insertBefore(this),a(e).on("click",c._clearMenus)}var f={relatedTarget:this},g=a.Event(k.SHOW,f);return a(b).trigger(g),g.isDefaultPrevented()?!1:(this.focus(),this.setAttribute("aria-expanded","true"),a(b).toggleClass(l.OPEN),a(b).trigger(a.Event(k.SHOWN,f)),!1)}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._element).off(h),this._element=null}},{key:"_addEventListeners",value:function(){a(this._element).on(k.CLICK,this.toggle)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(g);d||a(this).data(g,d=new c(this)),"string"==typeof b&&d[b].call(this)})}},{key:"_clearMenus",value:function(b){if(!b||3!==b.which){var d=a(m.BACKDROP)[0];d&&d.parentNode.removeChild(d);for(var e=a.makeArray(a(m.DATA_TOGGLE)),f=0;f<e.length;f++){var g=c._getParentFromElement(e[f]),h={relatedTarget:e[f]};if(a(g).hasClass(l.OPEN)&&!(b&&"click"===b.type&&/input|textarea/i.test(b.target.tagName)&&a.contains(g,b.target))){var i=a.Event(k.HIDE,h);a(g).trigger(i),i.isDefaultPrevented()||(e[f].setAttribute("aria-expanded","false"),a(g).removeClass(l.OPEN).trigger(a.Event(k.HIDDEN,h)))}}}}},{key:"_getParentFromElement",value:function(b){var c=void 0,d=e.getSelectorFromElement(b);return d&&(c=a(d)[0]),c||b.parentNode}},{key:"_dataApiKeydownHandler",value:function(b){if(/(38|40|27|32)/.test(b.which)&&!/input|textarea/i.test(b.target.tagName)&&(b.preventDefault(),b.stopPropagation(),!this.disabled&&!a(this).hasClass(l.DISABLED))){var d=c._getParentFromElement(this),e=a(d).hasClass(l.OPEN);if(!e&&27!==b.which||e&&27===b.which){if(27===b.which){var f=a(d).find(m.DATA_TOGGLE)[0];a(f).trigger("focus")}return void a(this).trigger("click")}var g=a.makeArray(a(m.VISIBLE_ITEMS));if(g=g.filter(function(a){return a.offsetWidth||a.offsetHeight}),g.length){var h=g.indexOf(b.target);38===b.which&&h>0&&h--,40===b.which&&h<g.length-1&&h++,~h||(h=0),g[h].focus()}}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(k.KEYDOWN_DATA_API,m.DATA_TOGGLE,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_MENU,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_LISTBOX,n._dataApiKeydownHandler).on(k.CLICK_DATA_API,n._clearMenus).on(k.CLICK_DATA_API,m.DATA_TOGGLE,n.prototype.toggle).on(k.CLICK_DATA_API,m.FORM_CHILD,function(a){a.stopPropagation()}),a.fn[c]=n._jQueryInterface,a.fn[c].Constructor=n,a.fn[c].noConflict=function(){return a.fn[c]=j,n._jQueryInterface},n}(jQuery),function(a){var c="modal",f="4.0.0",g="bs.modal",h="."+g,i=".data-api",j=a.fn[c],k=300,l=150,m={backdrop:!0,keyboard:!0,focus:!0,show:!0},n={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},o={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,FOCUSIN:"focusin"+h,RESIZE:"resize"+h,CLICK_DISMISS:"click.dismiss"+h,KEYDOWN_DISMISS:"keydown.dismiss"+h,MOUSEUP_DISMISS:"mouseup.dismiss"+h,MOUSEDOWN_DISMISS:"mousedown.dismiss"+h,CLICK_DATA_API:"click"+h+i},p={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",IN:"in"},q={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".navbar-fixed-top, .navbar-fixed-bottom, .is-fixed"},r=function(){function i(c,d){b(this,i),this._config=this._getConfig(d),this._element=c,this._dialog=a(c).find(q.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return d(i,[{key:"toggle",value:function(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function(b){var c=this,d=a.Event(o.SHOW,{relatedTarget:b});a(this._element).trigger(d),this._isShown||d.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),a(document.body).addClass(p.OPEN),this._setEscapeEvent(),this._setResizeEvent(),a(this._element).on(o.CLICK_DISMISS,q.DATA_DISMISS,a.proxy(this.hide,this)),a(this._dialog).on(o.MOUSEDOWN_DISMISS,function(){a(c._element).one(o.MOUSEUP_DISMISS,function(b){a(b.target).is(c._element)&&(that._ignoreBackdropClick=!0)})}),this._showBackdrop(a.proxy(this._showElement,this,b)))}},{key:"hide",value:function(b){b&&b.preventDefault();var c=a.Event(o.HIDE);a(this._element).trigger(c),this._isShown&&!c.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),a(document).off(o.FOCUSIN),a(this._element).removeClass(p.IN),a(this._element).off(o.CLICK_DISMISS),a(this._dialog).off(o.MOUSEDOWN_DISMISS),e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._element).one(e.TRANSITION_END,a.proxy(this._hideModal,this)).emulateTransitionEnd(k):this._hideModal())}},{key:"dispose",value:function(){a.removeData(this._element,g),a(window).off(h),a(document).off(h),a(this._element).off(h),a(this._backdrop).off(h),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null}},{key:"_getConfig",value:function(b){return b=a.extend({},m,b),e.typeCheckConfig(c,b,n),b}},{key:"_showElement",value:function(b){var c=this,d=e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.scrollTop=0,d&&e.reflow(this._element),a(this._element).addClass(p.IN),this._config.focus&&this._enforceFocus();var f=a.Event(o.SHOWN,{relatedTarget:b}),g=function(){c._config.focus&&c._element.focus(),a(c._element).trigger(f)};d?a(this._dialog).one(e.TRANSITION_END,g).emulateTransitionEnd(k):g()}},{key:"_enforceFocus",value:function(){var b=this;a(document).off(o.FOCUSIN).on(o.FOCUSIN,function(c){b._element===c.target||a(b._element).has(c.target).length||b._element.focus()})}},{key:"_setEscapeEvent",value:function(){var b=this;this._isShown&&this._config.keyboard?a(this._element).on(o.KEYDOWN_DISMISS,function(a){27===a.which&&b.hide()}):this._isShown||a(this._element).off(o.KEYDOWN_DISMISS)}},{key:"_setResizeEvent",value:function(){this._isShown?a(window).on(o.RESIZE,a.proxy(this._handleUpdate,this)):a(window).off(o.RESIZE)}},{key:"_hideModal",value:function(){var b=this;this._element.style.display="none",this._showBackdrop(function(){a(document.body).removeClass(p.OPEN),b._resetAdjustments(),b._resetScrollbar(),a(b._element).trigger(o.HIDDEN)})}},{key:"_removeBackdrop",value:function(){this._backdrop&&(a(this._backdrop).remove(),this._backdrop=null)}},{key:"_showBackdrop",value:function(b){var c=this,d=a(this._element).hasClass(p.FADE)?p.FADE:"";if(this._isShown&&this._config.backdrop){var f=e.supportsTransitionEnd()&&d;if(this._backdrop=document.createElement("div"),this._backdrop.className=p.BACKDROP,d&&a(this._backdrop).addClass(d),a(this._backdrop).appendTo(document.body),a(this._element).on(o.CLICK_DISMISS,function(a){return c._ignoreBackdropClick?void(c._ignoreBackdropClick=!1):void(a.target===a.currentTarget&&("static"===c._config.backdrop?c._element.focus():c.hide()))}),f&&e.reflow(this._backdrop),a(this._backdrop).addClass(p.IN),!b)return;if(!f)return void b();a(this._backdrop).one(e.TRANSITION_END,b).emulateTransitionEnd(l)}else if(!this._isShown&&this._backdrop){a(this._backdrop).removeClass(p.IN);var g=function(){c._removeBackdrop(),b&&b()};e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._backdrop).one(e.TRANSITION_END,g).emulateTransitionEnd(l):g()}else b&&b()}},{key:"_handleUpdate",value:function(){this._adjustDialog()}},{key:"_adjustDialog",value:function(){var a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px~")}},{key:"_resetAdjustments",value:function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function(){var a=window.innerWidth;if(!a){var b=document.documentElement.getBoundingClientRect();a=b.right-Math.abs(b.left)}this._isBodyOverflowing=document.body.clientWidth<a,this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function(){var b=parseInt(a(q.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+(this._scrollbarWidth+"px"))}},{key:"_resetScrollbar",value:function(){document.body.style.paddingRight=this._originalBodyPadding}},{key:"_getScrollbarWidth",value:function(){var a=document.createElement("div");a.className=p.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b}}],[{key:"_jQueryInterface",value:function(b,c){return this.each(function(){var d=a(this).data(g),e=a.extend({},i.Default,a(this).data(),"object"==typeof b&&b);d||(d=new i(this,e),a(this).data(g,d)),"string"==typeof b?d[b](c):e.show&&d.show(c)})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return m}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_TOGGLE,function(b){var c=this,d=void 0,f=e.getSelectorFromElement(this);f&&(d=a(f)[0]);var h=a(d).data(g)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var i=a(d).one(o.SHOW,function(b){b.isDefaultPrevented()||i.one(o.HIDDEN,function(){a(c).is(":visible")&&c.focus()})});r._jQueryInterface.call(a(d),h,this)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="scrollspy",f="4.0.0",g="bs.scrollspy",h="."+g,i=".data-api",j=a.fn[c],k={offset:10,method:"auto",target:""},l={offset:"number",method:"string",target:"(string|element)"},m={ACTIVATE:"activate"+h,SCROLL:"scroll"+h,LOAD_DATA_API:"load"+h+i},n={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},o={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_ANCHORS:".nav li > a"},p={OFFSET:"offset",POSITION:"position"},q=function(){function i(c,d){b(this,i),this._element=c,this._scrollElement="BODY"===c.tagName?window:c,this._config=this._getConfig(d),this._selector=this._config.target+" "+o.NAV_ANCHORS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(m.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return d(i,[{key:"refresh",value:function(){var b=this,c=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,d="auto"===this._config.method?c:this._config.method,f=d===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=e.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+f,g]:void 0}).filter(function(a){return a}).sort(function(a,b){return a[0]-b[0]}).forEach(function(a){b._offsets.push(a[0]),b._targets.push(a[1])})}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._scrollElement).off(h),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(b){if(b=a.extend({},k,b),"string"!=typeof b.target){var d=a(b.target).attr("id");d||(d=e.getUID(c),a(b.target).attr("id",d)),b.target="#"+d}return e.typeCheckConfig(c,b,l),b}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.scrollY:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_process",value:function(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}}},{key:"_activate",value:function(b){this._activeTarget=b,this._clear();for(var c=this._selector+'[data-target="'+b+'"],'+(this._selector+'[href="'+b+'"]'),d=a(c).parents(o.LI),e=d.length;e--;){a(d[e]).addClass(n.ACTIVE);var f=d[e].parentNode;if(f&&a(f).hasClass(n.DROPDOWN_MENU)){var g=a(f).closest(o.LI_DROPDOWN)[0];a(g).addClass(n.ACTIVE)}}a(this._scrollElement).trigger(m.ACTIVATE,{relatedTarget:b})}},{key:"_clear",value:function(){for(var b=a(this._selector).parentsUntil(this._config.target,o.ACTIVE),c=b.length;c--;)a(b[c]).removeClass(n.ACTIVE)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b&&b||null;c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return k}}]),i}();return a(window).on(m.LOAD_DATA_API,function(){for(var b=a.makeArray(a(o.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);q._jQueryInterface.call(d,d.data())}}),a.fn[c]=q._jQueryInterface,a.fn[c].Constructor=q,a.fn[c].noConflict=function(){return a.fn[c]=j,q._jQueryInterface},q}(jQuery),function(a){var c="tab",f="4.0.0",g="bs.tab",h="."+g,i=".data-api",j=a.fn[c],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",LI_DROPDOWN:"li.dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .fade",ACTIVE:".active",ACTIVE_CHILD:"> .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu > .active"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"show",value:function(){var b=this;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE||!a(this._element).parent().hasClass(m.ACTIVE)){var c=void 0,d=void 0,f=a(this._element).closest(n.UL)[0],g=e.getSelectorFromElement(this._element);f&&(d=a.makeArray(a(f).find(n.ACTIVE)),d=d[d.length-1],d&&(d=a(d).find(n.A)[0]));var h=a.Event(l.HIDE,{relatedTarget:this._element}),i=a.Event(l.SHOW,{relatedTarget:d});if(d&&a(d).trigger(h),a(this._element).trigger(i),!i.isDefaultPrevented()&&!h.isDefaultPrevented()){g&&(c=a(g)[0]),this._activate(a(this._element).closest(n.LI)[0],f);
-
-var j=function(){var c=a.Event(l.HIDDEN,{relatedTarget:b._element}),e=a.Event(l.SHOWN,{relatedTarget:d});a(d).trigger(c),a(b._element).trigger(e)};c?this._activate(c,c.parentNode,j):j()}}}},{key:"dispose",value:function(){a.removeClass(this._element,g),this._element=null}},{key:"_activate",value:function(b,c,d){var f=a(c).find(n.ACTIVE_CHILD)[0],g=d&&e.supportsTransitionEnd()&&(f&&a(f).hasClass(m.FADE)||Boolean(a(c).find(n.FADE_CHILD)[0])),h=a.proxy(this._transitionComplete,this,b,f,g,d);f&&g?a(f).one(e.TRANSITION_END,h).emulateTransitionEnd(k):h(),f&&a(f).removeClass(m.IN)}},{key:"_transitionComplete",value:function(b,c,d,f){if(c){a(c).removeClass(m.ACTIVE);var g=a(c).find(n.DROPDOWN_ACTIVE_CHILD)[0];g&&a(g).removeClass(m.ACTIVE);var h=a(c).find(n.DATA_TOGGLE)[0];h&&h.setAttribute("aria-expanded",!1)}a(b).addClass(m.ACTIVE);var i=a(b).find(n.DATA_TOGGLE)[0];if(i&&i.setAttribute("aria-expanded",!0),d?(e.reflow(b),a(b).addClass(m.IN)):a(b).removeClass(m.FADE),b.parentNode&&a(b.parentNode).hasClass(m.DROPDOWN_MENU)){var j=a(b).closest(n.LI_DROPDOWN)[0];j&&a(j).addClass(m.ACTIVE),i=a(b).find(n.DATA_TOGGLE)[0],i&&i.setAttribute("aria-expanded",!0)}f&&f()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=e=new c(this),d.data(g,e)),"string"==typeof b&&e[b]()})}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(l.CLICK_DATA_API,n.DATA_TOGGLE,function(b){b.preventDefault(),o._jQueryInterface.call(a(this),"show")}),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="tooltip",f="4.0.0",g="bs.tooltip",h="."+g,i=a.fn[c],j=150,k="bs-tether",l={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[]},m={animation:"boolean",template:"string",title:"(string|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array"},n={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},o={IN:"in",OUT:"out"},p={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,INSERTED:"inserted"+h,CLICK:"click"+h,FOCUSIN:"focusin"+h,FOCUSOUT:"focusout"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h},q={FADE:"fade",IN:"in"},r={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},s={element:!1,enabled:!1},t={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},u=function(){function 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this._leave(null,this);this._enter(null,this)}}},{key:"dispose",value:function(){clearTimeout(this._timeout),this.cleanupTether(),a.removeData(this.element,this.constructor.DATA_KEY),a(this.element).off(this.constructor.EVENT_KEY),this.tip&&a(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null}},{key:"show",value:function(){var b=this,c=a.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){a(this.element).trigger(c);var d=a.contains(this.element.ownerDocument.documentElement,this.element);if(c.isDefaultPrevented()||!d)return;var f=this.getTipElement(),g=e.getUID(this.constructor.NAME);f.setAttribute("id",g),this.element.setAttribute("aria-describedby",g),this.setContent(),this.config.animation&&a(f).addClass(q.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,f,this.element):this.config.placement,j=this._getAttachment(h);a(f).data(this.constructor.DATA_KEY,this).appendTo(document.body),a(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:j,element:f,target:this.element,classes:s,classPrefix:k,offset:this.config.offset,constraints:this.config.constraints}),e.reflow(f),this._tether.position(),a(f).addClass(q.IN);var l=function(){var c=b._hoverState;b._hoverState=null,a(b.element).trigger(b.constructor.Event.SHOWN),c===o.OUT&&b._leave(null,b)};if(e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE))return void a(this.tip).one(e.TRANSITION_END,l).emulateTransitionEnd(i._TRANSITION_DURATION);l()}}},{key:"hide",value:function(b){var c=this,d=this.getTipElement(),f=a.Event(this.constructor.Event.HIDE),g=function(){c._hoverState!==o.IN&&d.parentNode&&d.parentNode.removeChild(d),c.element.removeAttribute("aria-describedby"),a(c.element).trigger(c.constructor.Event.HIDDEN),c.cleanupTether(),b&&b()};a(this.element).trigger(f),f.isDefaultPrevented()||(a(d).removeClass(q.IN),e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE)?a(d).one(e.TRANSITION_END,g).emulateTransitionEnd(j):g(),this._hoverState="")}},{key:"isWithContent",value:function(){return Boolean(this.getTitle())}},{key:"getTipElement",value:function(){return this.tip=this.tip||a(this.config.template)[0]}},{key:"setContent",value:function(){var b=this.getTipElement(),c=this.getTitle(),d=this.config.html?"innerHTML":"innerText";a(b).find(r.TOOLTIP_INNER)[0][d]=c,a(b).removeClass(q.FADE).removeClass(q.IN),this.cleanupTether()}},{key:"getTitle",value:function(){var a=this.element.getAttribute("data-original-title");return a||(a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),a}},{key:"cleanupTether",value:function(){this._tether&&(this._tether.destroy(),a(this.element).removeClass(this._removeTetherClasses),a(this.tip).removeClass(this._removeTetherClasses))}},{key:"_getAttachment",value:function(a){return n[a.toUpperCase()]}},{key:"_setListeners",value:function(){var b=this,c=this.config.trigger.split(" ");c.forEach(function(c){if("click"===c)a(b.element).on(b.constructor.Event.CLICK,b.config.selector,a.proxy(b.toggle,b));else if(c!==t.MANUAL){var d=c===t.HOVER?b.constructor.Event.MOUSEENTER:b.constructor.Event.FOCUSIN,e=c===t.HOVER?b.constructor.Event.MOUSELEAVE:b.constructor.Event.FOCUSOUT;a(b.element).on(d,b.config.selector,a.proxy(b._enter,b)).on(e,b.config.selector,a.proxy(b._leave,b))}}),this.config.selector?this.config=a.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()}},{key:"_removeTetherClasses",value:function(a,b){return((b.baseVal||b).match(new 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this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusout"===b.type?t.FOCUS:t.HOVER]=!1),c._isWithActiveTrigger()?void 0:(clearTimeout(c._timeout),c._hoverState=o.OUT,c.config.delay&&c.config.delay.hide?void(c._timeout=setTimeout(function(){c._hoverState===o.OUT&&c.hide()},c.config.delay.hide)):void c.hide())}},{key:"_isWithActiveTrigger",value:function(){for(var a in this._activeTrigger)if(this._activeTrigger[a])return!0;return!1}},{key:"_getConfig",value:function(b){return b=a.extend({},this.constructor.Default,a(this.element).data(),b),b.delay&&"number"==typeof b.delay&&(b.delay={show:b.delay,hide:b.delay}),e.typeCheckConfig(c,b,this.constructor.DefaultType),b}},{key:"_getDelegateConfig",value:function(){var a={};if(this.config)for(var b in this.config)this.constructor.Default[b]!==this.config[b]&&(a[b]=this.config[b]);return a}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var 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g(),j}(jQuery),f=(function(a){var c="alert",f="4.0.0",g="bs.alert",h="."+g,i=".data-api",j=a.fn[c],k=150,l={DISMISS:'[data-dismiss="alert"]'},m={CLOSE:"close"+h,CLOSED:"closed"+h,CLICK_DATA_API:"click"+h+i},n={ALERT:"alert",FADE:"fade",IN:"in"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"close",value:function(a){a=a||this._element;var b=this._getRootElement(a),c=this._triggerCloseEvent(b);c.isDefaultPrevented()||this._removeElement(b)}},{key:"dispose",value:function(){a.removeData(this._element,g),this._element=null}},{key:"_getRootElement",value:function(b){var c=e.getSelectorFromElement(b),d=!1;return c&&(d=a(c)[0]),d||(d=a(b).closest("."+n.ALERT)[0]),d}},{key:"_triggerCloseEvent",value:function(b){var c=a.Event(m.CLOSE);return a(b).trigger(c),c}},{key:"_removeElement",value:function(b){return a(b).removeClass(n.IN),e.supportsTransitionEnd()&&a(b).hasClass(n.FADE)?void 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c="button",e="4.0.0",f="bs.button",g="."+f,h=".data-api",i=a.fn[c],j={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},k={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},l={CLICK_DATA_API:"click"+g+h,FOCUS_BLUR_DATA_API:"focus"+g+h+" "+("blur"+g+h)},m=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"toggle",value:function(){var b=!0,c=a(this._element).closest(k.DATA_TOGGLE)[0];if(c){var d=a(this._element).find(k.INPUT)[0];if(d){if("radio"===d.type)if(d.checked&&a(this._element).hasClass(j.ACTIVE))b=!1;else{var e=a(c).find(k.ACTIVE)[0];e&&a(e).removeClass(j.ACTIVE)}b&&(d.checked=!a(this._element).hasClass(j.ACTIVE),a(this._element).trigger("change"))}}else 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c="carousel",f="4.0.0",g="bs.carousel",h="."+g,i=".data-api",j=a.fn[c],k=600,l={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},m={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},n={NEXT:"next",PREVIOUS:"prev"},o={SLIDE:"slide"+h,SLID:"slid"+h,KEYDOWN:"keydown"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h,LOAD_DATA_API:"load"+h+i,CLICK_DATA_API:"click"+h+i},p={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},q={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},r=function(){function 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d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||0>b)){if(this._isSliding)return void a(this._element).one(o.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?n.NEXT:n.PREVIOUS;this._slide(e,this._items[b])}}},{key:"dispose",value:function(){a(this._element).off(h),a.removeData(this._element,g),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),e.typeCheckConfig(c,b,m),b}},{key:"_addEventListeners",value:function(){this._config.keyboard&&a(this._element).on(o.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(o.MOUSEENTER,a.proxy(this.pause,this)).on(o.MOUSELEAVE,a.proxy(this.cycle,this))}},{key:"_keydown",value:function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case 37:this.prev();break;case 39:this.next();break;default:return}}},{key:"_getItemIndex",value:function(b){return this._items=a.makeArray(a(b).parent().find(q.ITEM)),this._items.indexOf(b)}},{key:"_getItemByDirection",value:function(a,b){var c=a===n.NEXT,d=a===n.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===n.PREVIOUS?-1:1,i=(e+h)%this._items.length;return-1===i?this._items[this._items.length-1]:this._items[i]}},{key:"_triggerSlideEvent",value:function(b,c){var d=a.Event(o.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d}},{key:"_setActiveIndicatorElement",value:function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(q.ACTIVE).removeClass(p.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(p.ACTIVE)}}},{key:"_slide",value:function(b,c){var d=this,f=a(this._element).find(q.ACTIVE_ITEM)[0],g=c||f&&this._getItemByDirection(b,f),h=Boolean(this._interval),i=b===n.NEXT?p.LEFT:p.RIGHT;if(g&&a(g).hasClass(p.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&f&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var l=a.Event(o.SLID,{relatedTarget:g,direction:i});e.supportsTransitionEnd()&&a(this._element).hasClass(p.SLIDE)?(a(g).addClass(b),e.reflow(g),a(f).addClass(i),a(g).addClass(i),a(f).one(e.TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(p.ACTIVE),a(f).removeClass(p.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(l)},0)}).emulateTransitionEnd(k)):(a(f).removeClass(p.ACTIVE),a(g).addClass(p.ACTIVE),this._isSliding=!1,a(this._element).trigger(l)),h&&this.cycle()}}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d=a.extend({},l,a(this).data());"object"==typeof b&&a.extend(d,b);var e="string"==typeof b?b:d.slide;c||(c=new i(this,d),a(this).data(g,c)),"number"==typeof b?c.to(b):e?c[e]():d.interval&&(c.pause(),c.cycle())})}},{key:"_dataApiClickHandler",value:function(b){var c=e.getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(p.CAROUSEL)){var f=a.extend({},a(d).data(),a(this).data()),h=this.getAttribute("data-slide-to");h&&(f.interval=!1),i._jQueryInterface.call(a(d),f),h&&a(d).data(g).to(h),b.preventDefault()}}}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_SLIDE,r._dataApiClickHandler),a(window).on(o.LOAD_DATA_API,function(){a(q.DATA_RIDE).each(function(){var b=a(this);r._jQueryInterface.call(b,b.data())})}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="collapse",f="4.0.0",g="bs.collapse",h="."+g,i=".data-api",j=a.fn[c],k=600,l={toggle:!0,parent:""},m={toggle:"boolean",parent:"string"},n={SHOW:"show"+h,SHOWN:"shown"+h,HIDE:"hide"+h,HIDDEN:"hidden"+h,CLICK_DATA_API:"click"+h+i},o={IN:"in",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},q={ACTIVES:".panel > .in, .panel > 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i=this._getDimension();a(this._element).removeClass(o.COLLAPSE).addClass(o.COLLAPSING),this._element.style[i]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&a(this._triggerArray).removeClass(o.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var j=function(){a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).addClass(o.IN),b._element.style[i]="",b.setTransitioning(!1),a(b._element).trigger(n.SHOWN)};if(!e.supportsTransitionEnd())return void j();var l=i[0].toUpperCase()+i.slice(1),m="scroll"+l;a(this._element).one(e.TRANSITION_END,j).emulateTransitionEnd(k),this._element.style[i]=this._element[m]+"px"}}}}},{key:"hide",value:function(){var b=this;if(!this._isTransitioning&&a(this._element).hasClass(o.IN)){var c=a.Event(n.HIDE);if(a(this._element).trigger(c),!c.isDefaultPrevented()){var d=this._getDimension(),f=d===p.WIDTH?"offsetWidth":"offsetHeight";this._element.style[d]=this._element[f]+"px",e.reflow(this._element),a(this._element).addClass(o.COLLAPSING).removeClass(o.COLLAPSE).removeClass(o.IN),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&a(this._triggerArray).addClass(o.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var g=function(){b.setTransitioning(!1),a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).trigger(n.HIDDEN)};return this._element.style[d]=0,e.supportsTransitionEnd()?void a(this._element).one(e.TRANSITION_END,g).emulateTransitionEnd(k):void g()}}}},{key:"setTransitioning",value:function(a){this._isTransitioning=a}},{key:"dispose",value:function(){a.removeData(this._element,g),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),b.toggle=Boolean(b.toggle),e.typeCheckConfig(c,b,m),b}},{key:"_getDimension",value:function(){var b=a(this._element).hasClass(p.WIDTH);return b?p.WIDTH:p.HEIGHT}},{key:"_getParent",value:function(){var b=this,c=a(this._config.parent)[0],d='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return a(c).find(d).each(function(a,c){b._addAriaAndCollapsedClass(h._getTargetFromElement(c),[c])}),c}},{key:"_addAriaAndCollapsedClass",value:function(b,c){if(b){var d=a(b).hasClass(o.IN);b.setAttribute("aria-expanded",d),c.length&&a(c).toggleClass(o.COLLAPSED,!d).attr("aria-expanded",d)}}}],[{key:"_getTargetFromElement",value:function(b){var c=e.getSelectorFromElement(b);return c?a(c)[0]:null}},{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this),d=c.data(g),e=a.extend({},l,c.data(),"object"==typeof b&&b);!d&&e.toggle&&/show|hide/.test(b)&&(e.toggle=!1),d||(d=new h(this,e),c.data(g,d)),"string"==typeof b&&d[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),h}();return a(document).on(n.CLICK_DATA_API,q.DATA_TOGGLE,function(b){b.preventDefault();var c=r._getTargetFromElement(this),d=a(c).data(g),e=d?"toggle":a(this).data();r._jQueryInterface.call(a(c),e)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="dropdown",f="4.0.0",g="bs.dropdown",h="."+g,i=".data-api",j=a.fn[c],k={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK:"click"+h,CLICK_DATA_API:"click"+h+i,KEYDOWN_DATA_API:"keydown"+h+i},l={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",OPEN:"open"},m={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},n=function(){function c(a){b(this,c),this._element=a,this._addEventListeners()}return d(c,[{key:"toggle",value:function(){if(this.disabled||a(this).hasClass(l.DISABLED))return!1;var b=c._getParentFromElement(this),d=a(b).hasClass(l.OPEN);if(c._clearMenus(),d)return!1;if("ontouchstart"in document.documentElement&&!a(b).closest(m.NAVBAR_NAV).length){var e=document.createElement("div");e.className=l.BACKDROP,a(e).insertBefore(this),a(e).on("click",c._clearMenus)}var f={relatedTarget:this},g=a.Event(k.SHOW,f);return a(b).trigger(g),g.isDefaultPrevented()?!1:(this.focus(),this.setAttribute("aria-expanded","true"),a(b).toggleClass(l.OPEN),a(b).trigger(a.Event(k.SHOWN,f)),!1)}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._element).off(h),this._element=null}},{key:"_addEventListeners",value:function(){a(this._element).on(k.CLICK,this.toggle)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(g);d||a(this).data(g,d=new c(this)),"string"==typeof b&&d[b].call(this)})}},{key:"_clearMenus",value:function(b){if(!b||3!==b.which){var d=a(m.BACKDROP)[0];d&&d.parentNode.removeChild(d);for(var e=a.makeArray(a(m.DATA_TOGGLE)),f=0;f<e.length;f++){var g=c._getParentFromElement(e[f]),h={relatedTarget:e[f]};if(a(g).hasClass(l.OPEN)&&!(b&&"click"===b.type&&/input|textarea/i.test(b.target.tagName)&&a.contains(g,b.target))){var i=a.Event(k.HIDE,h);a(g).trigger(i),i.isDefaultPrevented()||(e[f].setAttribute("aria-expanded","false"),a(g).removeClass(l.OPEN).trigger(a.Event(k.HIDDEN,h)))}}}}},{key:"_getParentFromElement",value:function(b){var c=void 0,d=e.getSelectorFromElement(b);return d&&(c=a(d)[0]),c||b.parentNode}},{key:"_dataApiKeydownHandler",value:function(b){if(/(38|40|27|32)/.test(b.which)&&!/input|textarea/i.test(b.target.tagName)&&(b.preventDefault(),b.stopPropagation(),!this.disabled&&!a(this).hasClass(l.DISABLED))){var d=c._getParentFromElement(this),e=a(d).hasClass(l.OPEN);if(!e&&27!==b.which||e&&27===b.which){if(27===b.which){var f=a(d).find(m.DATA_TOGGLE)[0];a(f).trigger("focus")}return void a(this).trigger("click")}var g=a.makeArray(a(m.VISIBLE_ITEMS));if(g=g.filter(function(a){return a.offsetWidth||a.offsetHeight}),g.length){var h=g.indexOf(b.target);38===b.which&&h>0&&h--,40===b.which&&h<g.length-1&&h++,~h||(h=0),g[h].focus()}}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(k.KEYDOWN_DATA_API,m.DATA_TOGGLE,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_MENU,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_LISTBOX,n._dataApiKeydownHandler).on(k.CLICK_DATA_API,n._clearMenus).on(k.CLICK_DATA_API,m.DATA_TOGGLE,n.prototype.toggle).on(k.CLICK_DATA_API,m.FORM_CHILD,function(a){a.stopPropagation()}),a.fn[c]=n._jQueryInterface,a.fn[c].Constructor=n,a.fn[c].noConflict=function(){return a.fn[c]=j,n._jQueryInterface},n}(jQuery),function(a){var c="modal",f="4.0.0",g="bs.modal",h="."+g,i=".data-api",j=a.fn[c],k=300,l=150,m={backdrop:!0,keyboard:!0,focus:!0,show:!0},n={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},o={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,FOCUSIN:"focusin"+h,RESIZE:"resize"+h,CLICK_DISMISS:"click.dismiss"+h,KEYDOWN_DISMISS:"keydown.dismiss"+h,MOUSEUP_DISMISS:"mouseup.dismiss"+h,MOUSEDOWN_DISMISS:"mousedown.dismiss"+h,CLICK_DATA_API:"click"+h+i},p={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",IN:"in"},q={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".navbar-fixed-top, .navbar-fixed-bottom, .is-fixed"},r=function(){function i(c,d){b(this,i),this._config=this._getConfig(d),this._element=c,this._dialog=a(c).find(q.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return d(i,[{key:"toggle",value:function(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function(b){var c=this,d=a.Event(o.SHOW,{relatedTarget:b});a(this._element).trigger(d),this._isShown||d.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),a(document.body).addClass(p.OPEN),this._setEscapeEvent(),this._setResizeEvent(),a(this._element).on(o.CLICK_DISMISS,q.DATA_DISMISS,a.proxy(this.hide,this)),a(this._dialog).on(o.MOUSEDOWN_DISMISS,function(){a(c._element).one(o.MOUSEUP_DISMISS,function(b){a(b.target).is(c._element)&&(that._ignoreBackdropClick=!0)})}),this._showBackdrop(a.proxy(this._showElement,this,b)))}},{key:"hide",value:function(b){b&&b.preventDefault();var c=a.Event(o.HIDE);a(this._element).trigger(c),this._isShown&&!c.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),a(document).off(o.FOCUSIN),a(this._element).removeClass(p.IN),a(this._element).off(o.CLICK_DISMISS),a(this._dialog).off(o.MOUSEDOWN_DISMISS),e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._element).one(e.TRANSITION_END,a.proxy(this._hideModal,this)).emulateTransitionEnd(k):this._hideModal())}},{key:"dispose",value:function(){a.removeData(this._element,g),a(window).off(h),a(document).off(h),a(this._element).off(h),a(this._backdrop).off(h),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null}},{key:"_getConfig",value:function(b){return b=a.extend({},m,b),e.typeCheckConfig(c,b,n),b}},{key:"_showElement",value:function(b){var c=this,d=e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.scrollTop=0,d&&e.reflow(this._element),a(this._element).addClass(p.IN),this._config.focus&&this._enforceFocus();var f=a.Event(o.SHOWN,{relatedTarget:b}),g=function(){c._config.focus&&c._element.focus(),a(c._element).trigger(f)};d?a(this._dialog).one(e.TRANSITION_END,g).emulateTransitionEnd(k):g()}},{key:"_enforceFocus",value:function(){var b=this;a(document).off(o.FOCUSIN).on(o.FOCUSIN,function(c){b._element===c.target||a(b._element).has(c.target).length||b._element.focus()})}},{key:"_setEscapeEvent",value:function(){var b=this;this._isShown&&this._config.keyboard?a(this._element).on(o.KEYDOWN_DISMISS,function(a){27===a.which&&b.hide()}):this._isShown||a(this._element).off(o.KEYDOWN_DISMISS)}},{key:"_setResizeEvent",value:function(){this._isShown?a(window).on(o.RESIZE,a.proxy(this._handleUpdate,this)):a(window).off(o.RESIZE)}},{key:"_hideModal",value:function(){var b=this;this._element.style.display="none",this._showBackdrop(function(){a(document.body).removeClass(p.OPEN),b._resetAdjustments(),b._resetScrollbar(),a(b._element).trigger(o.HIDDEN)})}},{key:"_removeBackdrop",value:function(){this._backdrop&&(a(this._backdrop).remove(),this._backdrop=null)}},{key:"_showBackdrop",value:function(b){var c=this,d=a(this._element).hasClass(p.FADE)?p.FADE:"";if(this._isShown&&this._config.backdrop){var f=e.supportsTransitionEnd()&&d;if(this._backdrop=document.createElement("div"),this._backdrop.className=p.BACKDROP,d&&a(this._backdrop).addClass(d),a(this._backdrop).appendTo(document.body),a(this._element).on(o.CLICK_DISMISS,function(a){return c._ignoreBackdropClick?void(c._ignoreBackdropClick=!1):void(a.target===a.currentTarget&&("static"===c._config.backdrop?c._element.focus():c.hide()))}),f&&e.reflow(this._backdrop),a(this._backdrop).addClass(p.IN),!b)return;if(!f)return void b();a(this._backdrop).one(e.TRANSITION_END,b).emulateTransitionEnd(l)}else if(!this._isShown&&this._backdrop){a(this._backdrop).removeClass(p.IN);var g=function(){c._removeBackdrop(),b&&b()};e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._backdrop).one(e.TRANSITION_END,g).emulateTransitionEnd(l):g()}else b&&b()}},{key:"_handleUpdate",value:function(){this._adjustDialog()}},{key:"_adjustDialog",value:function(){var a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px~")}},{key:"_resetAdjustments",value:function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function(){var a=window.innerWidth;if(!a){var b=document.documentElement.getBoundingClientRect();a=b.right-Math.abs(b.left)}this._isBodyOverflowing=document.body.clientWidth<a,this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function(){var b=parseInt(a(q.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+(this._scrollbarWidth+"px"))}},{key:"_resetScrollbar",value:function(){document.body.style.paddingRight=this._originalBodyPadding}},{key:"_getScrollbarWidth",value:function(){var a=document.createElement("div");a.className=p.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b}}],[{key:"_jQueryInterface",value:function(b,c){return this.each(function(){var d=a(this).data(g),e=a.extend({},i.Default,a(this).data(),"object"==typeof b&&b);d||(d=new i(this,e),a(this).data(g,d)),"string"==typeof b?d[b](c):e.show&&d.show(c)})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return m}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_TOGGLE,function(b){var c=this,d=void 0,f=e.getSelectorFromElement(this);f&&(d=a(f)[0]);var h=a(d).data(g)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var i=a(d).one(o.SHOW,function(b){b.isDefaultPrevented()||i.one(o.HIDDEN,function(){a(c).is(":visible")&&c.focus()})});r._jQueryInterface.call(a(d),h,this)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="scrollspy",f="4.0.0",g="bs.scrollspy",h="."+g,i=".data-api",j=a.fn[c],k={offset:10,method:"auto",target:""},l={offset:"number",method:"string",target:"(string|element)"},m={ACTIVATE:"activate"+h,SCROLL:"scroll"+h,LOAD_DATA_API:"load"+h+i},n={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},o={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},p={OFFSET:"offset",POSITION:"position"},q=function(){function i(c,d){b(this,i),this._element=c,this._scrollElement="BODY"===c.tagName?window:c,this._config=this._getConfig(d),this._selector=this._config.target+" "+o.NAV_LINKS+","+(this._config.target+" "+o.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(m.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return d(i,[{key:"refresh",value:function(){var b=this,c=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,d="auto"===this._config.method?c:this._config.method,f=d===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=e.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+f,g]:void 0}).filter(function(a){return a}).sort(function(a,b){return a[0]-b[0]}).forEach(function(a){b._offsets.push(a[0]),b._targets.push(a[1])})}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._scrollElement).off(h),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(b){if(b=a.extend({},k,b),"string"!=typeof b.target){var d=a(b.target).attr("id");d||(d=e.getUID(c),a(b.target).attr("id",d)),b.target="#"+d}return e.typeCheckConfig(c,b,l),b}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.scrollY:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_process",value:function(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}}},{key:"_activate",value:function(b){this._activeTarget=b,this._clear();var c=this._selector.split(",");c=c.map(function(a){return a+'[data-target="'+b+'"],'+(a+'[href="'+b+'"]')});var d=a(c.join(","));d.hasClass(n.DROPDOWN_ITEM)?(d.closest(o.DROPDOWN).find(o.DROPDOWN_TOGGLE).addClass(n.ACTIVE),d.addClass(n.ACTIVE)):d.parents(o.LI).find(o.NAV_LINKS).addClass(n.ACTIVE),a(this._scrollElement).trigger(m.ACTIVATE,{relatedTarget:b})}},{key:"_clear",value:function(){a(this._selector).filter(o.ACTIVE).removeClass(n.ACTIVE)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b&&b||null;c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return k}}]),i}();return a(window).on(m.LOAD_DATA_API,function(){for(var b=a.makeArray(a(o.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);q._jQueryInterface.call(d,d.data())}}),a.fn[c]=q._jQueryInterface,a.fn[c].Constructor=q,a.fn[c].noConflict=function(){return a.fn[c]=j,q._jQueryInterface},q}(jQuery),function(a){var c="tab",f="4.0.0",g="bs.tab",h="."+g,i=".data-api",j=a.fn[c],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",DROPDOWN:".dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .nav-item .fade, > .fade",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"show",value:function(){var b=this;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE||!a(this._element).hasClass(m.ACTIVE)){var c=void 0,d=void 0,f=a(this._element).closest(n.UL)[0],g=e.getSelectorFromElement(this._element);f&&(d=a.makeArray(a(f).find(n.ACTIVE)),d=d[d.length-1]);var h=a.Event(l.HIDE,{
+relatedTarget:this._element}),i=a.Event(l.SHOW,{relatedTarget:d});if(d&&a(d).trigger(h),a(this._element).trigger(i),!i.isDefaultPrevented()&&!h.isDefaultPrevented()){g&&(c=a(g)[0]),this._activate(this._element,f);var j=function(){var c=a.Event(l.HIDDEN,{relatedTarget:b._element}),e=a.Event(l.SHOWN,{relatedTarget:d});a(d).trigger(c),a(b._element).trigger(e)};c?this._activate(c,c.parentNode,j):j()}}}},{key:"dispose",value:function(){a.removeClass(this._element,g),this._element=null}},{key:"_activate",value:function(b,c,d){var f=a(c).find(n.ACTIVE_CHILD)[0],g=d&&e.supportsTransitionEnd()&&(f&&a(f).hasClass(m.FADE)||Boolean(a(c).find(n.FADE_CHILD)[0])),h=a.proxy(this._transitionComplete,this,b,f,g,d);f&&g?a(f).one(e.TRANSITION_END,h).emulateTransitionEnd(k):h(),f&&a(f).removeClass(m.IN)}},{key:"_transitionComplete",value:function(b,c,d,f){if(c){a(c).removeClass(m.ACTIVE);var g=a(c).find(n.DROPDOWN_ACTIVE_CHILD)[0];g&&a(g).removeClass(m.ACTIVE),c.setAttribute("aria-expanded",!1)}if(a(b).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0),d?(e.reflow(b),a(b).addClass(m.IN)):a(b).removeClass(m.FADE),b.parentNode&&a(b.parentNode).hasClass(m.DROPDOWN_MENU)){var h=a(b).closest(n.DROPDOWN)[0];h&&a(h).find(n.DROPDOWN_TOGGLE).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0)}f&&f()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=e=new c(this),d.data(g,e)),"string"==typeof b&&e[b]()})}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(l.CLICK_DATA_API,n.DATA_TOGGLE,function(b){b.preventDefault(),o._jQueryInterface.call(a(this),"show")}),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="tooltip",f="4.0.0",g="bs.tooltip",h="."+g,i=a.fn[c],j=150,k="bs-tether",l={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[]},m={animation:"boolean",template:"string",title:"(string|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array"},n={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},o={IN:"in",OUT:"out"},p={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,INSERTED:"inserted"+h,CLICK:"click"+h,FOCUSIN:"focusin"+h,FOCUSOUT:"focusout"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h},q={FADE:"fade",IN:"in"},r={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},s={element:!1,enabled:!1},t={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},u=function(){function i(a,c){b(this,i),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._tether=null,this.element=a,this.config=this._getConfig(c),this.tip=null,this._setListeners()}return d(i,[{key:"enable",value:function(){this._isEnabled=!0}},{key:"disable",value:function(){this._isEnabled=!1}},{key:"toggleEnabled",value:function(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function(b){if(b){var c=this.constructor.DATA_KEY,d=a(b.currentTarget).data(c);d||(d=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(c,d)),d._activeTrigger.click=!d._activeTrigger.click,d._isWithActiveTrigger()?d._enter(null,d):d._leave(null,d)}else{if(a(this.getTipElement()).hasClass(q.IN))return void this._leave(null,this);this._enter(null,this)}}},{key:"dispose",value:function(){clearTimeout(this._timeout),this.cleanupTether(),a.removeData(this.element,this.constructor.DATA_KEY),a(this.element).off(this.constructor.EVENT_KEY),this.tip&&a(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null}},{key:"show",value:function(){var b=this,c=a.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){a(this.element).trigger(c);var d=a.contains(this.element.ownerDocument.documentElement,this.element);if(c.isDefaultPrevented()||!d)return;var f=this.getTipElement(),g=e.getUID(this.constructor.NAME);f.setAttribute("id",g),this.element.setAttribute("aria-describedby",g),this.setContent(),this.config.animation&&a(f).addClass(q.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,f,this.element):this.config.placement,j=this._getAttachment(h);a(f).data(this.constructor.DATA_KEY,this).appendTo(document.body),a(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:j,element:f,target:this.element,classes:s,classPrefix:k,offset:this.config.offset,constraints:this.config.constraints}),e.reflow(f),this._tether.position(),a(f).addClass(q.IN);var l=function(){var c=b._hoverState;b._hoverState=null,a(b.element).trigger(b.constructor.Event.SHOWN),c===o.OUT&&b._leave(null,b)};if(e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE))return void a(this.tip).one(e.TRANSITION_END,l).emulateTransitionEnd(i._TRANSITION_DURATION);l()}}},{key:"hide",value:function(b){var c=this,d=this.getTipElement(),f=a.Event(this.constructor.Event.HIDE),g=function(){c._hoverState!==o.IN&&d.parentNode&&d.parentNode.removeChild(d),c.element.removeAttribute("aria-describedby"),a(c.element).trigger(c.constructor.Event.HIDDEN),c.cleanupTether(),b&&b()};a(this.element).trigger(f),f.isDefaultPrevented()||(a(d).removeClass(q.IN),e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE)?a(d).one(e.TRANSITION_END,g).emulateTransitionEnd(j):g(),this._hoverState="")}},{key:"isWithContent",value:function(){return Boolean(this.getTitle())}},{key:"getTipElement",value:function(){return this.tip=this.tip||a(this.config.template)[0]}},{key:"setContent",value:function(){var b=this.getTipElement(),c=this.getTitle(),d=this.config.html?"innerHTML":"innerText";a(b).find(r.TOOLTIP_INNER)[0][d]=c,a(b).removeClass(q.FADE).removeClass(q.IN),this.cleanupTether()}},{key:"getTitle",value:function(){var a=this.element.getAttribute("data-original-title");return a||(a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),a}},{key:"cleanupTether",value:function(){this._tether&&(this._tether.destroy(),a(this.element).removeClass(this._removeTetherClasses),a(this.tip).removeClass(this._removeTetherClasses))}},{key:"_getAttachment",value:function(a){return n[a.toUpperCase()]}},{key:"_setListeners",value:function(){var b=this,c=this.config.trigger.split(" ");c.forEach(function(c){if("click"===c)a(b.element).on(b.constructor.Event.CLICK,b.config.selector,a.proxy(b.toggle,b));else if(c!==t.MANUAL){var d=c===t.HOVER?b.constructor.Event.MOUSEENTER:b.constructor.Event.FOCUSIN,e=c===t.HOVER?b.constructor.Event.MOUSELEAVE:b.constructor.Event.FOCUSOUT;a(b.element).on(d,b.config.selector,a.proxy(b._enter,b)).on(e,b.config.selector,a.proxy(b._leave,b))}}),this.config.selector?this.config=a.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()}},{key:"_removeTetherClasses",value:function(a,b){return((b.baseVal||b).match(new RegExp("(^|\\s)"+k+"-\\S+","g"))||[]).join(" ")}},{key:"_fixTitle",value:function(){var a=typeof this.element.getAttribute("data-original-title");(this.element.getAttribute("title")||"string"!==a)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))}},{key:"_enter",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusin"===b.type?t.FOCUS:t.HOVER]=!0),a(c.getTipElement()).hasClass(q.IN)||c._hoverState===o.IN?void(c._hoverState=o.IN):(clearTimeout(c._timeout),c._hoverState=o.IN,c.config.delay&&c.config.delay.show?void(c._timeout=setTimeout(function(){c._hoverState===o.IN&&c.show()},c.config.delay.show)):void c.show())}},{key:"_leave",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusout"===b.type?t.FOCUS:t.HOVER]=!1),c._isWithActiveTrigger()?void 0:(clearTimeout(c._timeout),c._hoverState=o.OUT,c.config.delay&&c.config.delay.hide?void(c._timeout=setTimeout(function(){c._hoverState===o.OUT&&c.hide()},c.config.delay.hide)):void c.hide())}},{key:"_isWithActiveTrigger",value:function(){for(var a in this._activeTrigger)if(this._activeTrigger[a])return!0;return!1}},{key:"_getConfig",value:function(b){return b=a.extend({},this.constructor.Default,a(this.element).data(),b),b.delay&&"number"==typeof b.delay&&(b.delay={show:b.delay,hide:b.delay}),e.typeCheckConfig(c,b,this.constructor.DefaultType),b}},{key:"_getDelegateConfig",value:function(){var a={};if(this.config)for(var b in this.config)this.constructor.Default[b]!==this.config[b]&&(a[b]=this.config[b]);return a}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b?b:null;(c||!/destroy|hide/.test(b))&&(c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]())})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}},{key:"NAME",get:function(){return c}},{key:"DATA_KEY",get:function(){return g}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return h}},{key:"DefaultType",get:function(){return m}}]),i}();return a.fn[c]=u._jQueryInterface,a.fn[c].Constructor=u,a.fn[c].noConflict=function(){return a.fn[c]=i,u._jQueryInterface},u}(jQuery));!function(e){var g="popover",h="4.0.0",i="bs.popover",j="."+i,k=e.fn[g],l=e.extend({},f.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="popover-arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),m=e.extend({},f.DefaultType,{content:"(string|function)"}),n={FADE:"fade",IN:"in"},o={TITLE:".popover-title",CONTENT:".popover-content",ARROW:".popover-arrow"},p={HIDE:"hide"+j,HIDDEN:"hidden"+j,SHOW:"show"+j,SHOWN:"shown"+j,INSERTED:"inserted"+j,CLICK:"click"+j,FOCUSIN:"focusin"+j,FOCUSOUT:"focusout"+j,MOUSEENTER:"mouseenter"+j,MOUSELEAVE:"mouseleave"+j},q=function(f){function k(){b(this,k),c(Object.getPrototypeOf(k.prototype),"constructor",this).apply(this,arguments)}return a(k,f),d(k,[{key:"isWithContent",value:function(){return this.getTitle()||this._getContent()}},{key:"getTipElement",value:function(){return this.tip=this.tip||e(this.config.template)[0]}},{key:"setContent",value:function(){var a=this.getTipElement(),b=this.getTitle(),c=this._getContent(),d=e(a).find(o.TITLE)[0];d&&(d[this.config.html?"innerHTML":"innerText"]=b),e(a).find(o.CONTENT).children().detach().end()[this.config.html?"string"==typeof c?"html":"append":"text"](c),e(a).removeClass(n.FADE).removeClass(n.IN),this.cleanupTether()}},{key:"_getContent",value:function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)}}],[{key:"_jQueryInterface",value:function(a){return this.each(function(){var b=e(this).data(i),c="object"==typeof a?a:null;(b||!/destroy|hide/.test(a))&&(b||(b=new k(this,c),e(this).data(i,b)),"string"==typeof a&&b[a]())})}},{key:"VERSION",get:function(){return h}},{key:"Default",get:function(){return l}},{key:"NAME",get:function(){return g}},{key:"DATA_KEY",get:function(){return i}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return j}},{key:"DefaultType",get:function(){return m}}]),k}(f);return e.fn[g]=q._jQueryInterface,e.fn[g].Constructor=q,e.fn[g].noConflict=function(){return e.fn[g]=k,q._jQueryInterface},q}(jQuery)}}(jQuery);
\ No newline at end of file
diff --git a/dist/js/umd/scrollspy.js b/dist/js/umd/scrollspy.js
index 720640fb3d..7f38bfca14 100644
--- a/dist/js/umd/scrollspy.js
+++ b/dist/js/umd/scrollspy.js
@@ -62,16 +62,23 @@
     };
 
     var ClassName = {
+      DROPDOWN_ITEM: 'dropdown-item',
       DROPDOWN_MENU: 'dropdown-menu',
+      NAV_LINK: 'nav-link',
+      NAV: 'nav',
       ACTIVE: 'active'
     };
 
     var Selector = {
       DATA_SPY: '[data-spy="scroll"]',
       ACTIVE: '.active',
+      LIST_ITEM: '.list-item',
       LI: 'li',
       LI_DROPDOWN: 'li.dropdown',
-      NAV_ANCHORS: '.nav li > a'
+      NAV_LINKS: '.nav-link',
+      DROPDOWN: '.dropdown',
+      DROPDOWN_ITEMS: '.dropdown-item',
+      DROPDOWN_TOGGLE: '.dropdown-toggle'
     };
 
     var OffsetMethod = {
@@ -92,7 +99,7 @@
         this._element = element;
         this._scrollElement = element.tagName === 'BODY' ? window : element;
         this._config = this._getConfig(config);
-        this._selector = this._config.target + ' ' + Selector.NAV_ANCHORS;
+        this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
         this._offsets = [];
         this._targets = [];
         this._activeTarget = null;
@@ -240,20 +247,20 @@
 
           this._clear();
 
-          var selector = this._selector + '[data-target="' + target + '"],' + (this._selector + '[href="' + target + '"]');
+          var queries = this._selector.split(',');
+          queries = queries.map(function (selector) {
+            return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+          });
 
-          // todo (fat): getting all the raw li's up the tree is not great.
-          var parentListItems = $(selector).parents(Selector.LI);
+          var $link = $(queries.join(','));
 
-          for (var i = parentListItems.length; i--;) {
-            $(parentListItems[i]).addClass(ClassName.ACTIVE);
-
-            var itemParent = parentListItems[i].parentNode;
-
-            if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-              var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
-              $(closestDropdown).addClass(ClassName.ACTIVE);
-            }
+          if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+            $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+            $link.addClass(ClassName.ACTIVE);
+          } else {
+            // todo (fat) this is kinda sus…
+            // recursively add actives to tested nav-links
+            $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
           }
 
           $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -263,11 +270,7 @@
       }, {
         key: '_clear',
         value: function _clear() {
-          var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
-
-          for (var i = activeParents.length; i--;) {
-            $(activeParents[i]).removeClass(ClassName.ACTIVE);
-          }
+          $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
         }
 
         // static
diff --git a/dist/js/umd/tab.js b/dist/js/umd/tab.js
index 065177e7c8..a80a96e657 100644
--- a/dist/js/umd/tab.js
+++ b/dist/js/umd/tab.js
@@ -62,13 +62,14 @@
     var Selector = {
       A: 'a',
       LI: 'li',
-      LI_DROPDOWN: 'li.dropdown',
+      DROPDOWN: '.dropdown',
       UL: 'ul:not(.dropdown-menu)',
-      FADE_CHILD: '> .fade',
+      FADE_CHILD: '> .nav-item .fade, > .fade',
       ACTIVE: '.active',
-      ACTIVE_CHILD: '> .active',
+      ACTIVE_CHILD: '> .nav-item > .active, > .active',
       DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
-      DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu > .active'
+      DROPDOWN_TOGGLE: '.dropdown-toggle',
+      DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
     };
 
     /**
@@ -100,7 +101,7 @@
         value: function show() {
           var _this = this;
 
-          if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).parent().hasClass(ClassName.ACTIVE)) {
+          if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
             return;
           }
 
@@ -112,10 +113,6 @@
           if (ulElement) {
             previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
             previous = previous[previous.length - 1];
-
-            if (previous) {
-              previous = $(previous).find(Selector.A)[0];
-            }
           }
 
           var hideEvent = $.Event(Event.HIDE, {
@@ -140,7 +137,7 @@
             target = $(selector)[0];
           }
 
-          this._activate($(this._element).closest(Selector.LI)[0], ulElement);
+          this._activate(this._element, ulElement);
 
           var complete = function complete() {
             var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -195,22 +192,16 @@
             $(active).removeClass(ClassName.ACTIVE);
 
             var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
             if (dropdownChild) {
               $(dropdownChild).removeClass(ClassName.ACTIVE);
             }
 
-            var activeToggle = $(active).find(Selector.DATA_TOGGLE)[0];
-            if (activeToggle) {
-              activeToggle.setAttribute('aria-expanded', false);
-            }
+            active.setAttribute('aria-expanded', false);
           }
 
           $(element).addClass(ClassName.ACTIVE);
-
-          var elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-          if (elementToggle) {
-            elementToggle.setAttribute('aria-expanded', true);
-          }
+          element.setAttribute('aria-expanded', true);
 
           if (isTransitioning) {
             _Util['default'].reflow(element);
@@ -221,15 +212,12 @@
 
           if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-            var dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0];
+            var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
             if (dropdownElement) {
-              $(dropdownElement).addClass(ClassName.ACTIVE);
+              $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
             }
 
-            elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-            if (elementToggle) {
-              elementToggle.setAttribute('aria-expanded', true);
-            }
+            element.setAttribute('aria-expanded', true);
           }
 
           if (callback) {
diff --git a/docs/dist/js/bootstrap.js b/docs/dist/js/bootstrap.js
index 3edf7eb323..7d51c641c2 100644
--- a/docs/dist/js/bootstrap.js
+++ b/docs/dist/js/bootstrap.js
@@ -2203,16 +2203,23 @@ var ScrollSpy = (function ($) {
   };
 
   var ClassName = {
+    DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
+    NAV_LINK: 'nav-link',
+    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
+    LIST_ITEM: '.list-item',
     LI: 'li',
     LI_DROPDOWN: 'li.dropdown',
-    NAV_ANCHORS: '.nav li > a'
+    NAV_LINKS: '.nav-link',
+    DROPDOWN: '.dropdown',
+    DROPDOWN_ITEMS: '.dropdown-item',
+    DROPDOWN_TOGGLE: '.dropdown-toggle'
   };
 
   var OffsetMethod = {
@@ -2233,7 +2240,7 @@ var ScrollSpy = (function ($) {
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_ANCHORS;
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
@@ -2381,20 +2388,20 @@ var ScrollSpy = (function ($) {
 
         this._clear();
 
-        var selector = this._selector + '[data-target="' + target + '"],' + (this._selector + '[href="' + target + '"]');
+        var queries = this._selector.split(',');
+        queries = queries.map(function (selector) {
+          return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+        });
 
-        // todo (fat): getting all the raw li's up the tree is not great.
-        var parentListItems = $(selector).parents(Selector.LI);
+        var $link = $(queries.join(','));
 
-        for (var i = parentListItems.length; i--;) {
-          $(parentListItems[i]).addClass(ClassName.ACTIVE);
-
-          var itemParent = parentListItems[i].parentNode;
-
-          if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-            var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
-            $(closestDropdown).addClass(ClassName.ACTIVE);
-          }
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // todo (fat) this is kinda sus…
+          // recursively add actives to tested nav-links
+          $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
         }
 
         $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -2404,11 +2411,7 @@ var ScrollSpy = (function ($) {
     }, {
       key: '_clear',
       value: function _clear() {
-        var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
-
-        for (var i = activeParents.length; i--;) {
-          $(activeParents[i]).removeClass(ClassName.ACTIVE);
-        }
+        $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
       }
 
       // static
@@ -2511,13 +2514,14 @@ var Tab = (function ($) {
   var Selector = {
     A: 'a',
     LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    DROPDOWN: '.dropdown',
     UL: 'ul:not(.dropdown-menu)',
-    FADE_CHILD: '> .fade',
+    FADE_CHILD: '> .nav-item .fade, > .fade',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .active',
+    ACTIVE_CHILD: '> .nav-item > .active, > .active',
     DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
-    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu > .active'
+    DROPDOWN_TOGGLE: '.dropdown-toggle',
+    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
 
   /**
@@ -2549,7 +2553,7 @@ var Tab = (function ($) {
       value: function show() {
         var _this15 = this;
 
-        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).parent().hasClass(ClassName.ACTIVE)) {
+        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
           return;
         }
 
@@ -2561,10 +2565,6 @@ var Tab = (function ($) {
         if (ulElement) {
           previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
           previous = previous[previous.length - 1];
-
-          if (previous) {
-            previous = $(previous).find(Selector.A)[0];
-          }
         }
 
         var hideEvent = $.Event(Event.HIDE, {
@@ -2589,7 +2589,7 @@ var Tab = (function ($) {
           target = $(selector)[0];
         }
 
-        this._activate($(this._element).closest(Selector.LI)[0], ulElement);
+        this._activate(this._element, ulElement);
 
         var complete = function complete() {
           var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -2644,22 +2644,16 @@ var Tab = (function ($) {
           $(active).removeClass(ClassName.ACTIVE);
 
           var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
           if (dropdownChild) {
             $(dropdownChild).removeClass(ClassName.ACTIVE);
           }
 
-          var activeToggle = $(active).find(Selector.DATA_TOGGLE)[0];
-          if (activeToggle) {
-            activeToggle.setAttribute('aria-expanded', false);
-          }
+          active.setAttribute('aria-expanded', false);
         }
 
         $(element).addClass(ClassName.ACTIVE);
-
-        var elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-        if (elementToggle) {
-          elementToggle.setAttribute('aria-expanded', true);
-        }
+        element.setAttribute('aria-expanded', true);
 
         if (isTransitioning) {
           Util.reflow(element);
@@ -2670,15 +2664,12 @@ var Tab = (function ($) {
 
         if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-          var dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0];
+          var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
           if (dropdownElement) {
-            $(dropdownElement).addClass(ClassName.ACTIVE);
+            $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
           }
 
-          elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-          if (elementToggle) {
-            elementToggle.setAttribute('aria-expanded', true);
-          }
+          element.setAttribute('aria-expanded', true);
         }
 
         if (callback) {
diff --git a/docs/dist/js/bootstrap.min.js b/docs/dist/js/bootstrap.min.js
index 80412986de..013ed31875 100644
--- a/docs/dist/js/bootstrap.min.js
+++ b/docs/dist/js/bootstrap.min.js
@@ -3,6 +3,5 @@
  * Copyright 2011-2015 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1)throw new Error("Bootstrap's JavaScript requires jQuery version 1.9.1 or higher")}(jQuery),+function(){"use strict";function a(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}}),b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)}function b(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}{var c=function(a,b,c){for(var d=!0;d;){var e=a,f=b,g=c;h=j=i=void 0,d=!1,null===e&&(e=Function.prototype);var h=Object.getOwnPropertyDescriptor(e,f);if(void 0!==h){if("value"in h)return h.value;var i=h.get;return void 0===i?void 0:i.call(g)}var j=Object.getPrototypeOf(e);if(null===j)return void 0;a=j,b=f,c=g,d=!0}},d=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),e=function(a){function b(a){return{}.toString.call(a).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function c(a){return(a[0]||a).nodeType}function d(){return{bindType:h.end,delegateType:h.end,handle:function(b){return a(b.target).is(this)?b.handleObj.handler.apply(this,arguments):void 0}}}function e(){if(window.QUnit)return!1;var a=document.createElement("bootstrap");for(var b in i)if(void 0!==a.style[b])return{end:i[b]};return!1}function f(b){var c=this,d=!1;return a(this).one(j.TRANSITION_END,function(){d=!0}),setTimeout(function(){d||j.triggerTransitionEnd(c)},b),this}function g(){h=e(),a.fn.emulateTransitionEnd=f,j.supportsTransitionEnd()&&(a.event.special[j.TRANSITION_END]=d())}var h=!1,i={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},j={TRANSITION_END:"bsTransitionEnd",getUID:function(a){do a+=~~(1e6*Math.random());while(document.getElementById(a));return a},getSelectorFromElement:function(a){var b=a.getAttribute("data-target");return b||(b=a.getAttribute("href")||"",b=/^#[a-z]/i.test(b)?b:null),b},reflow:function(a){new Function("bs","return bs")(a.offsetHeight)},triggerTransitionEnd:function(b){a(b).trigger(h.end)},supportsTransitionEnd:function(){return Boolean(h)},typeCheckConfig:function(a,d,e){for(var f in e)if(e.hasOwnProperty(f)){var g=e[f],h=d[f],i=void 0;if(i=h&&c(h)?"element":b(h),!new RegExp(g).test(i))throw new Error(a.toUpperCase()+": "+('Option "'+f+'" provided type "'+i+'" ')+('but expected type "'+g+'".'))}}};return g(),j}(jQuery),f=(function(a){var c="alert",f="4.0.0",g="bs.alert",h="."+g,i=".data-api",j=a.fn[c],k=150,l={DISMISS:'[data-dismiss="alert"]'},m={CLOSE:"close"+h,CLOSED:"closed"+h,CLICK_DATA_API:"click"+h+i},n={ALERT:"alert",FADE:"fade",IN:"in"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"close",value:function(a){a=a||this._element;var b=this._getRootElement(a),c=this._triggerCloseEvent(b);c.isDefaultPrevented()||this._removeElement(b)}},{key:"dispose",value:function(){a.removeData(this._element,g),this._element=null}},{key:"_getRootElement",value:function(b){var c=e.getSelectorFromElement(b),d=!1;return c&&(d=a(c)[0]),d||(d=a(b).closest("."+n.ALERT)[0]),d}},{key:"_triggerCloseEvent",value:function(b){var c=a.Event(m.CLOSE);return a(b).trigger(c),c}},{key:"_removeElement",value:function(b){return a(b).removeClass(n.IN),e.supportsTransitionEnd()&&a(b).hasClass(n.FADE)?void a(b).one(e.TRANSITION_END,a.proxy(this._destroyElement,this,b)).emulateTransitionEnd(k):void this._destroyElement(b)}},{key:"_destroyElement",value:function(b){a(b).detach().trigger(m.CLOSED).remove()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=new c(this),d.data(g,e)),"close"===b&&e[b](this)})}},{key:"_handleDismiss",value:function(a){return function(b){b&&b.preventDefault(),a.close(this)}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(m.CLICK_DATA_API,l.DISMISS,o._handleDismiss(new o)),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="button",e="4.0.0",f="bs.button",g="."+f,h=".data-api",i=a.fn[c],j={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},k={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},l={CLICK_DATA_API:"click"+g+h,FOCUS_BLUR_DATA_API:"focus"+g+h+" "+("blur"+g+h)},m=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"toggle",value:function(){var b=!0,c=a(this._element).closest(k.DATA_TOGGLE)[0];if(c){var d=a(this._element).find(k.INPUT)[0];if(d){if("radio"===d.type)if(d.checked&&a(this._element).hasClass(j.ACTIVE))b=!1;else{var e=a(c).find(k.ACTIVE)[0];e&&a(e).removeClass(j.ACTIVE)}b&&(d.checked=!a(this._element).hasClass(j.ACTIVE),a(this._element).trigger("change"))}}else this._element.setAttribute("aria-pressed",!a(this._element).hasClass(j.ACTIVE));b&&a(this._element).toggleClass(j.ACTIVE)}},{key:"dispose",value:function(){a.removeData(this._element,f),this._element=null}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(f);d||(d=new c(this),a(this).data(f,d)),"toggle"===b&&d[b]()})}},{key:"VERSION",get:function(){return e}}]),c}();return a(document).on(l.CLICK_DATA_API,k.DATA_TOGGLE_CARROT,function(b){b.preventDefault();var c=b.target;a(c).hasClass(j.BUTTON)||(c=a(c).closest(k.BUTTON)),m._jQueryInterface.call(a(c),"toggle")}).on(l.FOCUS_BLUR_DATA_API,k.DATA_TOGGLE_CARROT,function(b){var c=a(b.target).closest(k.BUTTON)[0];a(c).toggleClass(j.FOCUS,/^focus(in)?$/.test(b.type))}),a.fn[c]=m._jQueryInterface,a.fn[c].Constructor=m,a.fn[c].noConflict=function(){return a.fn[c]=i,m._jQueryInterface},m}(jQuery),function(a){var c="carousel",f="4.0.0",g="bs.carousel",h="."+g,i=".data-api",j=a.fn[c],k=600,l={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},m={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},n={NEXT:"next",PREVIOUS:"prev"},o={SLIDE:"slide"+h,SLID:"slid"+h,KEYDOWN:"keydown"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h,LOAD_DATA_API:"load"+h+i,CLICK_DATA_API:"click"+h+i},p={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},q={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},r=function(){function i(c,d){b(this,i),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(d),this._element=a(c)[0],this._indicatorsElement=a(this._element).find(q.INDICATORS)[0],this._addEventListeners()}return d(i,[{key:"next",value:function(){this._isSliding||this._slide(n.NEXT)}},{key:"prev",value:function(){this._isSliding||this._slide(n.PREVIOUS)}},{key:"pause",value:function(b){b||(this._isPaused=!0),a(this._element).find(q.NEXT_PREV)[0]&&e.supportsTransitionEnd()&&(e.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null}},{key:"cycle",value:function(b){b||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval(a.proxy(this.next,this),this._config.interval))}},{key:"to",value:function(b){var c=this;this._activeElement=a(this._element).find(q.ACTIVE_ITEM)[0];var d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||0>b)){if(this._isSliding)return void a(this._element).one(o.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?n.NEXT:n.PREVIOUS;this._slide(e,this._items[b])}}},{key:"dispose",value:function(){a(this._element).off(h),a.removeData(this._element,g),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),e.typeCheckConfig(c,b,m),b}},{key:"_addEventListeners",value:function(){this._config.keyboard&&a(this._element).on(o.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(o.MOUSEENTER,a.proxy(this.pause,this)).on(o.MOUSELEAVE,a.proxy(this.cycle,this))}},{key:"_keydown",value:function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case 37:this.prev();break;case 39:this.next();break;default:return}}},{key:"_getItemIndex",value:function(b){return this._items=a.makeArray(a(b).parent().find(q.ITEM)),this._items.indexOf(b)}},{key:"_getItemByDirection",value:function(a,b){var c=a===n.NEXT,d=a===n.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===n.PREVIOUS?-1:1,i=(e+h)%this._items.length;return-1===i?this._items[this._items.length-1]:this._items[i]}},{key:"_triggerSlideEvent",value:function(b,c){var d=a.Event(o.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d}},{key:"_setActiveIndicatorElement",value:function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(q.ACTIVE).removeClass(p.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(p.ACTIVE)}}},{key:"_slide",value:function(b,c){var d=this,f=a(this._element).find(q.ACTIVE_ITEM)[0],g=c||f&&this._getItemByDirection(b,f),h=Boolean(this._interval),i=b===n.NEXT?p.LEFT:p.RIGHT;if(g&&a(g).hasClass(p.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&f&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var l=a.Event(o.SLID,{relatedTarget:g,direction:i});e.supportsTransitionEnd()&&a(this._element).hasClass(p.SLIDE)?(a(g).addClass(b),e.reflow(g),a(f).addClass(i),a(g).addClass(i),a(f).one(e.TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(p.ACTIVE),a(f).removeClass(p.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(l)},0)}).emulateTransitionEnd(k)):(a(f).removeClass(p.ACTIVE),a(g).addClass(p.ACTIVE),this._isSliding=!1,a(this._element).trigger(l)),h&&this.cycle()}}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d=a.extend({},l,a(this).data());"object"==typeof b&&a.extend(d,b);var e="string"==typeof b?b:d.slide;c||(c=new i(this,d),a(this).data(g,c)),"number"==typeof b?c.to(b):e?c[e]():d.interval&&(c.pause(),c.cycle())})}},{key:"_dataApiClickHandler",value:function(b){var c=e.getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(p.CAROUSEL)){var f=a.extend({},a(d).data(),a(this).data()),h=this.getAttribute("data-slide-to");h&&(f.interval=!1),i._jQueryInterface.call(a(d),f),h&&a(d).data(g).to(h),b.preventDefault()}}}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_SLIDE,r._dataApiClickHandler),a(window).on(o.LOAD_DATA_API,function(){a(q.DATA_RIDE).each(function(){var b=a(this);r._jQueryInterface.call(b,b.data())})}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="collapse",f="4.0.0",g="bs.collapse",h="."+g,i=".data-api",j=a.fn[c],k=600,l={toggle:!0,parent:""},m={toggle:"boolean",parent:"string"},n={SHOW:"show"+h,SHOWN:"shown"+h,HIDE:"hide"+h,HIDDEN:"hidden"+h,CLICK_DATA_API:"click"+h+i},o={IN:"in",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},q={ACTIVES:".panel > .in, .panel > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},r=function(){function h(c,d){b(this,h),this._isTransitioning=!1,this._element=c,this._config=this._getConfig(d),this._triggerArray=a.makeArray(a('[data-toggle="collapse"][href="#'+c.id+'"],'+('[data-toggle="collapse"][data-target="#'+c.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return d(h,[{key:"toggle",value:function(){a(this._element).hasClass(o.IN)?this.hide():this.show()}},{key:"show",value:function(){var b=this;if(!this._isTransitioning&&!a(this._element).hasClass(o.IN)){var c=void 0,d=void 0;if(this._parent&&(c=a.makeArray(a(q.ACTIVES)),c.length||(c=null)),!(c&&(d=a(c).data(g),d&&d._isTransitioning))){var f=a.Event(n.SHOW);if(a(this._element).trigger(f),!f.isDefaultPrevented()){c&&(h._jQueryInterface.call(a(c),"hide"),d||a(c).data(g,null));var i=this._getDimension();a(this._element).removeClass(o.COLLAPSE).addClass(o.COLLAPSING),this._element.style[i]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&a(this._triggerArray).removeClass(o.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var j=function(){a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).addClass(o.IN),b._element.style[i]="",b.setTransitioning(!1),a(b._element).trigger(n.SHOWN)};if(!e.supportsTransitionEnd())return void j();var l=i[0].toUpperCase()+i.slice(1),m="scroll"+l;a(this._element).one(e.TRANSITION_END,j).emulateTransitionEnd(k),this._element.style[i]=this._element[m]+"px"}}}}},{key:"hide",value:function(){var b=this;if(!this._isTransitioning&&a(this._element).hasClass(o.IN)){var c=a.Event(n.HIDE);if(a(this._element).trigger(c),!c.isDefaultPrevented()){var d=this._getDimension(),f=d===p.WIDTH?"offsetWidth":"offsetHeight";this._element.style[d]=this._element[f]+"px",e.reflow(this._element),a(this._element).addClass(o.COLLAPSING).removeClass(o.COLLAPSE).removeClass(o.IN),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&a(this._triggerArray).addClass(o.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var g=function(){b.setTransitioning(!1),a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).trigger(n.HIDDEN)};return this._element.style[d]=0,e.supportsTransitionEnd()?void a(this._element).one(e.TRANSITION_END,g).emulateTransitionEnd(k):void g()}}}},{key:"setTransitioning",value:function(a){this._isTransitioning=a}},{key:"dispose",value:function(){a.removeData(this._element,g),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),b.toggle=Boolean(b.toggle),e.typeCheckConfig(c,b,m),b}},{key:"_getDimension",value:function(){var b=a(this._element).hasClass(p.WIDTH);return b?p.WIDTH:p.HEIGHT}},{key:"_getParent",value:function(){var b=this,c=a(this._config.parent)[0],d='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return a(c).find(d).each(function(a,c){b._addAriaAndCollapsedClass(h._getTargetFromElement(c),[c])}),c}},{key:"_addAriaAndCollapsedClass",value:function(b,c){if(b){var d=a(b).hasClass(o.IN);b.setAttribute("aria-expanded",d),c.length&&a(c).toggleClass(o.COLLAPSED,!d).attr("aria-expanded",d)}}}],[{key:"_getTargetFromElement",value:function(b){var c=e.getSelectorFromElement(b);return c?a(c)[0]:null}},{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this),d=c.data(g),e=a.extend({},l,c.data(),"object"==typeof b&&b);!d&&e.toggle&&/show|hide/.test(b)&&(e.toggle=!1),d||(d=new h(this,e),c.data(g,d)),"string"==typeof b&&d[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),h}();return a(document).on(n.CLICK_DATA_API,q.DATA_TOGGLE,function(b){b.preventDefault();var c=r._getTargetFromElement(this),d=a(c).data(g),e=d?"toggle":a(this).data();r._jQueryInterface.call(a(c),e)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="dropdown",f="4.0.0",g="bs.dropdown",h="."+g,i=".data-api",j=a.fn[c],k={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK:"click"+h,CLICK_DATA_API:"click"+h+i,KEYDOWN_DATA_API:"keydown"+h+i},l={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",OPEN:"open"},m={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},n=function(){function c(a){b(this,c),this._element=a,this._addEventListeners()}return d(c,[{key:"toggle",value:function(){if(this.disabled||a(this).hasClass(l.DISABLED))return!1;var b=c._getParentFromElement(this),d=a(b).hasClass(l.OPEN);if(c._clearMenus(),d)return!1;if("ontouchstart"in document.documentElement&&!a(b).closest(m.NAVBAR_NAV).length){var e=document.createElement("div");e.className=l.BACKDROP,a(e).insertBefore(this),a(e).on("click",c._clearMenus)}var f={relatedTarget:this},g=a.Event(k.SHOW,f);return a(b).trigger(g),g.isDefaultPrevented()?!1:(this.focus(),this.setAttribute("aria-expanded","true"),a(b).toggleClass(l.OPEN),a(b).trigger(a.Event(k.SHOWN,f)),!1)}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._element).off(h),this._element=null}},{key:"_addEventListeners",value:function(){a(this._element).on(k.CLICK,this.toggle)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(g);d||a(this).data(g,d=new c(this)),"string"==typeof b&&d[b].call(this)})}},{key:"_clearMenus",value:function(b){if(!b||3!==b.which){var d=a(m.BACKDROP)[0];d&&d.parentNode.removeChild(d);for(var e=a.makeArray(a(m.DATA_TOGGLE)),f=0;f<e.length;f++){var g=c._getParentFromElement(e[f]),h={relatedTarget:e[f]};if(a(g).hasClass(l.OPEN)&&!(b&&"click"===b.type&&/input|textarea/i.test(b.target.tagName)&&a.contains(g,b.target))){var i=a.Event(k.HIDE,h);a(g).trigger(i),i.isDefaultPrevented()||(e[f].setAttribute("aria-expanded","false"),a(g).removeClass(l.OPEN).trigger(a.Event(k.HIDDEN,h)))}}}}},{key:"_getParentFromElement",value:function(b){var c=void 0,d=e.getSelectorFromElement(b);return d&&(c=a(d)[0]),c||b.parentNode}},{key:"_dataApiKeydownHandler",value:function(b){if(/(38|40|27|32)/.test(b.which)&&!/input|textarea/i.test(b.target.tagName)&&(b.preventDefault(),b.stopPropagation(),!this.disabled&&!a(this).hasClass(l.DISABLED))){var d=c._getParentFromElement(this),e=a(d).hasClass(l.OPEN);if(!e&&27!==b.which||e&&27===b.which){if(27===b.which){var f=a(d).find(m.DATA_TOGGLE)[0];a(f).trigger("focus")}return void a(this).trigger("click")}var g=a.makeArray(a(m.VISIBLE_ITEMS));if(g=g.filter(function(a){return a.offsetWidth||a.offsetHeight}),g.length){var h=g.indexOf(b.target);38===b.which&&h>0&&h--,40===b.which&&h<g.length-1&&h++,~h||(h=0),g[h].focus()}}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(k.KEYDOWN_DATA_API,m.DATA_TOGGLE,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_MENU,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_LISTBOX,n._dataApiKeydownHandler).on(k.CLICK_DATA_API,n._clearMenus).on(k.CLICK_DATA_API,m.DATA_TOGGLE,n.prototype.toggle).on(k.CLICK_DATA_API,m.FORM_CHILD,function(a){a.stopPropagation()}),a.fn[c]=n._jQueryInterface,a.fn[c].Constructor=n,a.fn[c].noConflict=function(){return a.fn[c]=j,n._jQueryInterface},n}(jQuery),function(a){var c="modal",f="4.0.0",g="bs.modal",h="."+g,i=".data-api",j=a.fn[c],k=300,l=150,m={backdrop:!0,keyboard:!0,focus:!0,show:!0},n={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},o={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,FOCUSIN:"focusin"+h,RESIZE:"resize"+h,CLICK_DISMISS:"click.dismiss"+h,KEYDOWN_DISMISS:"keydown.dismiss"+h,MOUSEUP_DISMISS:"mouseup.dismiss"+h,MOUSEDOWN_DISMISS:"mousedown.dismiss"+h,CLICK_DATA_API:"click"+h+i},p={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",IN:"in"},q={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".navbar-fixed-top, .navbar-fixed-bottom, .is-fixed"},r=function(){function i(c,d){b(this,i),this._config=this._getConfig(d),this._element=c,this._dialog=a(c).find(q.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return d(i,[{key:"toggle",value:function(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function(b){var c=this,d=a.Event(o.SHOW,{relatedTarget:b});a(this._element).trigger(d),this._isShown||d.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),a(document.body).addClass(p.OPEN),this._setEscapeEvent(),this._setResizeEvent(),a(this._element).on(o.CLICK_DISMISS,q.DATA_DISMISS,a.proxy(this.hide,this)),a(this._dialog).on(o.MOUSEDOWN_DISMISS,function(){a(c._element).one(o.MOUSEUP_DISMISS,function(b){a(b.target).is(c._element)&&(that._ignoreBackdropClick=!0)})}),this._showBackdrop(a.proxy(this._showElement,this,b)))}},{key:"hide",value:function(b){b&&b.preventDefault();var c=a.Event(o.HIDE);a(this._element).trigger(c),this._isShown&&!c.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),a(document).off(o.FOCUSIN),a(this._element).removeClass(p.IN),a(this._element).off(o.CLICK_DISMISS),a(this._dialog).off(o.MOUSEDOWN_DISMISS),e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._element).one(e.TRANSITION_END,a.proxy(this._hideModal,this)).emulateTransitionEnd(k):this._hideModal())}},{key:"dispose",value:function(){a.removeData(this._element,g),a(window).off(h),a(document).off(h),a(this._element).off(h),a(this._backdrop).off(h),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null}},{key:"_getConfig",value:function(b){return b=a.extend({},m,b),e.typeCheckConfig(c,b,n),b}},{key:"_showElement",value:function(b){var c=this,d=e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.scrollTop=0,d&&e.reflow(this._element),a(this._element).addClass(p.IN),this._config.focus&&this._enforceFocus();var f=a.Event(o.SHOWN,{relatedTarget:b}),g=function(){c._config.focus&&c._element.focus(),a(c._element).trigger(f)};d?a(this._dialog).one(e.TRANSITION_END,g).emulateTransitionEnd(k):g()}},{key:"_enforceFocus",value:function(){var b=this;a(document).off(o.FOCUSIN).on(o.FOCUSIN,function(c){b._element===c.target||a(b._element).has(c.target).length||b._element.focus()})}},{key:"_setEscapeEvent",value:function(){var b=this;this._isShown&&this._config.keyboard?a(this._element).on(o.KEYDOWN_DISMISS,function(a){27===a.which&&b.hide()}):this._isShown||a(this._element).off(o.KEYDOWN_DISMISS)}},{key:"_setResizeEvent",value:function(){this._isShown?a(window).on(o.RESIZE,a.proxy(this._handleUpdate,this)):a(window).off(o.RESIZE)}},{key:"_hideModal",value:function(){var b=this;this._element.style.display="none",this._showBackdrop(function(){a(document.body).removeClass(p.OPEN),b._resetAdjustments(),b._resetScrollbar(),a(b._element).trigger(o.HIDDEN)})}},{key:"_removeBackdrop",value:function(){this._backdrop&&(a(this._backdrop).remove(),this._backdrop=null)}},{key:"_showBackdrop",value:function(b){var c=this,d=a(this._element).hasClass(p.FADE)?p.FADE:"";if(this._isShown&&this._config.backdrop){var f=e.supportsTransitionEnd()&&d;if(this._backdrop=document.createElement("div"),this._backdrop.className=p.BACKDROP,d&&a(this._backdrop).addClass(d),a(this._backdrop).appendTo(document.body),a(this._element).on(o.CLICK_DISMISS,function(a){return c._ignoreBackdropClick?void(c._ignoreBackdropClick=!1):void(a.target===a.currentTarget&&("static"===c._config.backdrop?c._element.focus():c.hide()))}),f&&e.reflow(this._backdrop),a(this._backdrop).addClass(p.IN),!b)return;if(!f)return void b();a(this._backdrop).one(e.TRANSITION_END,b).emulateTransitionEnd(l)}else if(!this._isShown&&this._backdrop){a(this._backdrop).removeClass(p.IN);var g=function(){c._removeBackdrop(),b&&b()};e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._backdrop).one(e.TRANSITION_END,g).emulateTransitionEnd(l):g()}else b&&b()}},{key:"_handleUpdate",value:function(){this._adjustDialog()}},{key:"_adjustDialog",value:function(){var a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px~")}},{key:"_resetAdjustments",value:function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function(){var a=window.innerWidth;if(!a){var b=document.documentElement.getBoundingClientRect();a=b.right-Math.abs(b.left)}this._isBodyOverflowing=document.body.clientWidth<a,this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function(){var b=parseInt(a(q.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+(this._scrollbarWidth+"px"))}},{key:"_resetScrollbar",value:function(){document.body.style.paddingRight=this._originalBodyPadding}},{key:"_getScrollbarWidth",value:function(){var a=document.createElement("div");a.className=p.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b}}],[{key:"_jQueryInterface",value:function(b,c){return this.each(function(){var d=a(this).data(g),e=a.extend({},i.Default,a(this).data(),"object"==typeof b&&b);d||(d=new i(this,e),a(this).data(g,d)),"string"==typeof b?d[b](c):e.show&&d.show(c)})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return m}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_TOGGLE,function(b){var c=this,d=void 0,f=e.getSelectorFromElement(this);f&&(d=a(f)[0]);var h=a(d).data(g)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var i=a(d).one(o.SHOW,function(b){b.isDefaultPrevented()||i.one(o.HIDDEN,function(){a(c).is(":visible")&&c.focus()})});r._jQueryInterface.call(a(d),h,this)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="scrollspy",f="4.0.0",g="bs.scrollspy",h="."+g,i=".data-api",j=a.fn[c],k={offset:10,method:"auto",target:""},l={offset:"number",method:"string",target:"(string|element)"},m={ACTIVATE:"activate"+h,SCROLL:"scroll"+h,LOAD_DATA_API:"load"+h+i},n={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},o={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_ANCHORS:".nav li > a"},p={OFFSET:"offset",POSITION:"position"},q=function(){function i(c,d){b(this,i),this._element=c,this._scrollElement="BODY"===c.tagName?window:c,this._config=this._getConfig(d),this._selector=this._config.target+" "+o.NAV_ANCHORS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(m.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return d(i,[{key:"refresh",value:function(){var b=this,c=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,d="auto"===this._config.method?c:this._config.method,f=d===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=e.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+f,g]:void 0}).filter(function(a){return a}).sort(function(a,b){return a[0]-b[0]}).forEach(function(a){b._offsets.push(a[0]),b._targets.push(a[1])})}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._scrollElement).off(h),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(b){if(b=a.extend({},k,b),"string"!=typeof b.target){var d=a(b.target).attr("id");d||(d=e.getUID(c),a(b.target).attr("id",d)),b.target="#"+d}return e.typeCheckConfig(c,b,l),b}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.scrollY:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_process",value:function(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}}},{key:"_activate",value:function(b){this._activeTarget=b,this._clear();for(var c=this._selector+'[data-target="'+b+'"],'+(this._selector+'[href="'+b+'"]'),d=a(c).parents(o.LI),e=d.length;e--;){a(d[e]).addClass(n.ACTIVE);var f=d[e].parentNode;if(f&&a(f).hasClass(n.DROPDOWN_MENU)){var g=a(f).closest(o.LI_DROPDOWN)[0];a(g).addClass(n.ACTIVE)}}a(this._scrollElement).trigger(m.ACTIVATE,{relatedTarget:b})}},{key:"_clear",value:function(){for(var b=a(this._selector).parentsUntil(this._config.target,o.ACTIVE),c=b.length;c--;)a(b[c]).removeClass(n.ACTIVE)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b&&b||null;c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return k}}]),i}();return a(window).on(m.LOAD_DATA_API,function(){for(var b=a.makeArray(a(o.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);q._jQueryInterface.call(d,d.data())}}),a.fn[c]=q._jQueryInterface,a.fn[c].Constructor=q,a.fn[c].noConflict=function(){return a.fn[c]=j,q._jQueryInterface},q}(jQuery),function(a){var c="tab",f="4.0.0",g="bs.tab",h="."+g,i=".data-api",j=a.fn[c],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",LI_DROPDOWN:"li.dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .fade",ACTIVE:".active",ACTIVE_CHILD:"> .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu > .active"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"show",value:function(){var b=this;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE||!a(this._element).parent().hasClass(m.ACTIVE)){var c=void 0,d=void 0,f=a(this._element).closest(n.UL)[0],g=e.getSelectorFromElement(this._element);f&&(d=a.makeArray(a(f).find(n.ACTIVE)),d=d[d.length-1],d&&(d=a(d).find(n.A)[0]));var h=a.Event(l.HIDE,{relatedTarget:this._element}),i=a.Event(l.SHOW,{relatedTarget:d});if(d&&a(d).trigger(h),a(this._element).trigger(i),!i.isDefaultPrevented()&&!h.isDefaultPrevented()){g&&(c=a(g)[0]),this._activate(a(this._element).closest(n.LI)[0],f);
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-var j=function(){var c=a.Event(l.HIDDEN,{relatedTarget:b._element}),e=a.Event(l.SHOWN,{relatedTarget:d});a(d).trigger(c),a(b._element).trigger(e)};c?this._activate(c,c.parentNode,j):j()}}}},{key:"dispose",value:function(){a.removeClass(this._element,g),this._element=null}},{key:"_activate",value:function(b,c,d){var f=a(c).find(n.ACTIVE_CHILD)[0],g=d&&e.supportsTransitionEnd()&&(f&&a(f).hasClass(m.FADE)||Boolean(a(c).find(n.FADE_CHILD)[0])),h=a.proxy(this._transitionComplete,this,b,f,g,d);f&&g?a(f).one(e.TRANSITION_END,h).emulateTransitionEnd(k):h(),f&&a(f).removeClass(m.IN)}},{key:"_transitionComplete",value:function(b,c,d,f){if(c){a(c).removeClass(m.ACTIVE);var g=a(c).find(n.DROPDOWN_ACTIVE_CHILD)[0];g&&a(g).removeClass(m.ACTIVE);var h=a(c).find(n.DATA_TOGGLE)[0];h&&h.setAttribute("aria-expanded",!1)}a(b).addClass(m.ACTIVE);var i=a(b).find(n.DATA_TOGGLE)[0];if(i&&i.setAttribute("aria-expanded",!0),d?(e.reflow(b),a(b).addClass(m.IN)):a(b).removeClass(m.FADE),b.parentNode&&a(b.parentNode).hasClass(m.DROPDOWN_MENU)){var j=a(b).closest(n.LI_DROPDOWN)[0];j&&a(j).addClass(m.ACTIVE),i=a(b).find(n.DATA_TOGGLE)[0],i&&i.setAttribute("aria-expanded",!0)}f&&f()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=e=new c(this),d.data(g,e)),"string"==typeof b&&e[b]()})}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(l.CLICK_DATA_API,n.DATA_TOGGLE,function(b){b.preventDefault(),o._jQueryInterface.call(a(this),"show")}),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="tooltip",f="4.0.0",g="bs.tooltip",h="."+g,i=a.fn[c],j=150,k="bs-tether",l={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div 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this._leave(null,this);this._enter(null,this)}}},{key:"dispose",value:function(){clearTimeout(this._timeout),this.cleanupTether(),a.removeData(this.element,this.constructor.DATA_KEY),a(this.element).off(this.constructor.EVENT_KEY),this.tip&&a(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null}},{key:"show",value:function(){var b=this,c=a.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){a(this.element).trigger(c);var d=a.contains(this.element.ownerDocument.documentElement,this.element);if(c.isDefaultPrevented()||!d)return;var f=this.getTipElement(),g=e.getUID(this.constructor.NAME);f.setAttribute("id",g),this.element.setAttribute("aria-describedby",g),this.setContent(),this.config.animation&&a(f).addClass(q.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,f,this.element):this.config.placement,j=this._getAttachment(h);a(f).data(this.constructor.DATA_KEY,this).appendTo(document.body),a(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:j,element:f,target:this.element,classes:s,classPrefix:k,offset:this.config.offset,constraints:this.config.constraints}),e.reflow(f),this._tether.position(),a(f).addClass(q.IN);var l=function(){var c=b._hoverState;b._hoverState=null,a(b.element).trigger(b.constructor.Event.SHOWN),c===o.OUT&&b._leave(null,b)};if(e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE))return void a(this.tip).one(e.TRANSITION_END,l).emulateTransitionEnd(i._TRANSITION_DURATION);l()}}},{key:"hide",value:function(b){var c=this,d=this.getTipElement(),f=a.Event(this.constructor.Event.HIDE),g=function(){c._hoverState!==o.IN&&d.parentNode&&d.parentNode.removeChild(d),c.element.removeAttribute("aria-describedby"),a(c.element).trigger(c.constructor.Event.HIDDEN),c.cleanupTether(),b&&b()};a(this.element).trigger(f),f.isDefaultPrevented()||(a(d).removeClass(q.IN),e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE)?a(d).one(e.TRANSITION_END,g).emulateTransitionEnd(j):g(),this._hoverState="")}},{key:"isWithContent",value:function(){return Boolean(this.getTitle())}},{key:"getTipElement",value:function(){return this.tip=this.tip||a(this.config.template)[0]}},{key:"setContent",value:function(){var b=this.getTipElement(),c=this.getTitle(),d=this.config.html?"innerHTML":"innerText";a(b).find(r.TOOLTIP_INNER)[0][d]=c,a(b).removeClass(q.FADE).removeClass(q.IN),this.cleanupTether()}},{key:"getTitle",value:function(){var a=this.element.getAttribute("data-original-title");return a||(a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),a}},{key:"cleanupTether",value:function(){this._tether&&(this._tether.destroy(),a(this.element).removeClass(this._removeTetherClasses),a(this.tip).removeClass(this._removeTetherClasses))}},{key:"_getAttachment",value:function(a){return n[a.toUpperCase()]}},{key:"_setListeners",value:function(){var b=this,c=this.config.trigger.split(" ");c.forEach(function(c){if("click"===c)a(b.element).on(b.constructor.Event.CLICK,b.config.selector,a.proxy(b.toggle,b));else if(c!==t.MANUAL){var d=c===t.HOVER?b.constructor.Event.MOUSEENTER:b.constructor.Event.FOCUSIN,e=c===t.HOVER?b.constructor.Event.MOUSELEAVE:b.constructor.Event.FOCUSOUT;a(b.element).on(d,b.config.selector,a.proxy(b._enter,b)).on(e,b.config.selector,a.proxy(b._leave,b))}}),this.config.selector?this.config=a.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()}},{key:"_removeTetherClasses",value:function(a,b){return((b.baseVal||b).match(new RegExp("(^|\\s)"+k+"-\\S+","g"))||[]).join(" ")}},{key:"_fixTitle",value:function(){var a=typeof this.element.getAttribute("data-original-title");(this.element.getAttribute("title")||"string"!==a)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))}},{key:"_enter",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusin"===b.type?t.FOCUS:t.HOVER]=!0),a(c.getTipElement()).hasClass(q.IN)||c._hoverState===o.IN?void(c._hoverState=o.IN):(clearTimeout(c._timeout),c._hoverState=o.IN,c.config.delay&&c.config.delay.show?void(c._timeout=setTimeout(function(){c._hoverState===o.IN&&c.show()},c.config.delay.show)):void c.show())}},{key:"_leave",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusout"===b.type?t.FOCUS:t.HOVER]=!1),c._isWithActiveTrigger()?void 0:(clearTimeout(c._timeout),c._hoverState=o.OUT,c.config.delay&&c.config.delay.hide?void(c._timeout=setTimeout(function(){c._hoverState===o.OUT&&c.hide()},c.config.delay.hide)):void c.hide())}},{key:"_isWithActiveTrigger",value:function(){for(var a in this._activeTrigger)if(this._activeTrigger[a])return!0;return!1}},{key:"_getConfig",value:function(b){return b=a.extend({},this.constructor.Default,a(this.element).data(),b),b.delay&&"number"==typeof b.delay&&(b.delay={show:b.delay,hide:b.delay}),e.typeCheckConfig(c,b,this.constructor.DefaultType),b}},{key:"_getDelegateConfig",value:function(){var a={};if(this.config)for(var b in this.config)this.constructor.Default[b]!==this.config[b]&&(a[b]=this.config[b]);return a}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var 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c="carousel",f="4.0.0",g="bs.carousel",h="."+g,i=".data-api",j=a.fn[c],k=600,l={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},m={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},n={NEXT:"next",PREVIOUS:"prev"},o={SLIDE:"slide"+h,SLID:"slid"+h,KEYDOWN:"keydown"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h,LOAD_DATA_API:"load"+h+i,CLICK_DATA_API:"click"+h+i},p={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},q={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},r=function(){function i(c,d){b(this,i),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(d),this._element=a(c)[0],this._indicatorsElement=a(this._element).find(q.INDICATORS)[0],this._addEventListeners()}return d(i,[{key:"next",value:function(){this._isSliding||this._slide(n.NEXT)}},{key:"prev",value:function(){this._isSliding||this._slide(n.PREVIOUS)}},{key:"pause",value:function(b){b||(this._isPaused=!0),a(this._element).find(q.NEXT_PREV)[0]&&e.supportsTransitionEnd()&&(e.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null}},{key:"cycle",value:function(b){b||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval(a.proxy(this.next,this),this._config.interval))}},{key:"to",value:function(b){var c=this;this._activeElement=a(this._element).find(q.ACTIVE_ITEM)[0];var d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||0>b)){if(this._isSliding)return void a(this._element).one(o.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?n.NEXT:n.PREVIOUS;this._slide(e,this._items[b])}}},{key:"dispose",value:function(){a(this._element).off(h),a.removeData(this._element,g),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),e.typeCheckConfig(c,b,m),b}},{key:"_addEventListeners",value:function(){this._config.keyboard&&a(this._element).on(o.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(o.MOUSEENTER,a.proxy(this.pause,this)).on(o.MOUSELEAVE,a.proxy(this.cycle,this))}},{key:"_keydown",value:function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case 37:this.prev();break;case 39:this.next();break;default:return}}},{key:"_getItemIndex",value:function(b){return this._items=a.makeArray(a(b).parent().find(q.ITEM)),this._items.indexOf(b)}},{key:"_getItemByDirection",value:function(a,b){var c=a===n.NEXT,d=a===n.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===n.PREVIOUS?-1:1,i=(e+h)%this._items.length;return-1===i?this._items[this._items.length-1]:this._items[i]}},{key:"_triggerSlideEvent",value:function(b,c){var d=a.Event(o.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d}},{key:"_setActiveIndicatorElement",value:function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(q.ACTIVE).removeClass(p.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(p.ACTIVE)}}},{key:"_slide",value:function(b,c){var d=this,f=a(this._element).find(q.ACTIVE_ITEM)[0],g=c||f&&this._getItemByDirection(b,f),h=Boolean(this._interval),i=b===n.NEXT?p.LEFT:p.RIGHT;if(g&&a(g).hasClass(p.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&f&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var l=a.Event(o.SLID,{relatedTarget:g,direction:i});e.supportsTransitionEnd()&&a(this._element).hasClass(p.SLIDE)?(a(g).addClass(b),e.reflow(g),a(f).addClass(i),a(g).addClass(i),a(f).one(e.TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(p.ACTIVE),a(f).removeClass(p.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(l)},0)}).emulateTransitionEnd(k)):(a(f).removeClass(p.ACTIVE),a(g).addClass(p.ACTIVE),this._isSliding=!1,a(this._element).trigger(l)),h&&this.cycle()}}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d=a.extend({},l,a(this).data());"object"==typeof b&&a.extend(d,b);var e="string"==typeof b?b:d.slide;c||(c=new i(this,d),a(this).data(g,c)),"number"==typeof b?c.to(b):e?c[e]():d.interval&&(c.pause(),c.cycle())})}},{key:"_dataApiClickHandler",value:function(b){var c=e.getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(p.CAROUSEL)){var f=a.extend({},a(d).data(),a(this).data()),h=this.getAttribute("data-slide-to");h&&(f.interval=!1),i._jQueryInterface.call(a(d),f),h&&a(d).data(g).to(h),b.preventDefault()}}}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_SLIDE,r._dataApiClickHandler),a(window).on(o.LOAD_DATA_API,function(){a(q.DATA_RIDE).each(function(){var b=a(this);r._jQueryInterface.call(b,b.data())})}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="collapse",f="4.0.0",g="bs.collapse",h="."+g,i=".data-api",j=a.fn[c],k=600,l={toggle:!0,parent:""},m={toggle:"boolean",parent:"string"},n={SHOW:"show"+h,SHOWN:"shown"+h,HIDE:"hide"+h,HIDDEN:"hidden"+h,CLICK_DATA_API:"click"+h+i},o={IN:"in",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},q={ACTIVES:".panel > .in, .panel > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},r=function(){function h(c,d){b(this,h),this._isTransitioning=!1,this._element=c,this._config=this._getConfig(d),this._triggerArray=a.makeArray(a('[data-toggle="collapse"][href="#'+c.id+'"],'+('[data-toggle="collapse"][data-target="#'+c.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return d(h,[{key:"toggle",value:function(){a(this._element).hasClass(o.IN)?this.hide():this.show()}},{key:"show",value:function(){var b=this;if(!this._isTransitioning&&!a(this._element).hasClass(o.IN)){var c=void 0,d=void 0;if(this._parent&&(c=a.makeArray(a(q.ACTIVES)),c.length||(c=null)),!(c&&(d=a(c).data(g),d&&d._isTransitioning))){var f=a.Event(n.SHOW);if(a(this._element).trigger(f),!f.isDefaultPrevented()){c&&(h._jQueryInterface.call(a(c),"hide"),d||a(c).data(g,null));var i=this._getDimension();a(this._element).removeClass(o.COLLAPSE).addClass(o.COLLAPSING),this._element.style[i]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&a(this._triggerArray).removeClass(o.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var j=function(){a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).addClass(o.IN),b._element.style[i]="",b.setTransitioning(!1),a(b._element).trigger(n.SHOWN)};if(!e.supportsTransitionEnd())return void j();var l=i[0].toUpperCase()+i.slice(1),m="scroll"+l;a(this._element).one(e.TRANSITION_END,j).emulateTransitionEnd(k),this._element.style[i]=this._element[m]+"px"}}}}},{key:"hide",value:function(){var b=this;if(!this._isTransitioning&&a(this._element).hasClass(o.IN)){var c=a.Event(n.HIDE);if(a(this._element).trigger(c),!c.isDefaultPrevented()){var d=this._getDimension(),f=d===p.WIDTH?"offsetWidth":"offsetHeight";this._element.style[d]=this._element[f]+"px",e.reflow(this._element),a(this._element).addClass(o.COLLAPSING).removeClass(o.COLLAPSE).removeClass(o.IN),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&a(this._triggerArray).addClass(o.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var g=function(){b.setTransitioning(!1),a(b._element).removeClass(o.COLLAPSING).addClass(o.COLLAPSE).trigger(n.HIDDEN)};return this._element.style[d]=0,e.supportsTransitionEnd()?void a(this._element).one(e.TRANSITION_END,g).emulateTransitionEnd(k):void g()}}}},{key:"setTransitioning",value:function(a){this._isTransitioning=a}},{key:"dispose",value:function(){a.removeData(this._element,g),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null}},{key:"_getConfig",value:function(b){return b=a.extend({},l,b),b.toggle=Boolean(b.toggle),e.typeCheckConfig(c,b,m),b}},{key:"_getDimension",value:function(){var b=a(this._element).hasClass(p.WIDTH);return b?p.WIDTH:p.HEIGHT}},{key:"_getParent",value:function(){var b=this,c=a(this._config.parent)[0],d='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return a(c).find(d).each(function(a,c){b._addAriaAndCollapsedClass(h._getTargetFromElement(c),[c])}),c}},{key:"_addAriaAndCollapsedClass",value:function(b,c){if(b){var d=a(b).hasClass(o.IN);b.setAttribute("aria-expanded",d),c.length&&a(c).toggleClass(o.COLLAPSED,!d).attr("aria-expanded",d)}}}],[{key:"_getTargetFromElement",value:function(b){var c=e.getSelectorFromElement(b);return c?a(c)[0]:null}},{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this),d=c.data(g),e=a.extend({},l,c.data(),"object"==typeof b&&b);!d&&e.toggle&&/show|hide/.test(b)&&(e.toggle=!1),d||(d=new h(this,e),c.data(g,d)),"string"==typeof b&&d[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}}]),h}();return a(document).on(n.CLICK_DATA_API,q.DATA_TOGGLE,function(b){b.preventDefault();var c=r._getTargetFromElement(this),d=a(c).data(g),e=d?"toggle":a(this).data();r._jQueryInterface.call(a(c),e)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="dropdown",f="4.0.0",g="bs.dropdown",h="."+g,i=".data-api",j=a.fn[c],k={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK:"click"+h,CLICK_DATA_API:"click"+h+i,KEYDOWN_DATA_API:"keydown"+h+i},l={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",OPEN:"open"},m={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},n=function(){function c(a){b(this,c),this._element=a,this._addEventListeners()}return d(c,[{key:"toggle",value:function(){if(this.disabled||a(this).hasClass(l.DISABLED))return!1;var b=c._getParentFromElement(this),d=a(b).hasClass(l.OPEN);if(c._clearMenus(),d)return!1;if("ontouchstart"in document.documentElement&&!a(b).closest(m.NAVBAR_NAV).length){var e=document.createElement("div");e.className=l.BACKDROP,a(e).insertBefore(this),a(e).on("click",c._clearMenus)}var f={relatedTarget:this},g=a.Event(k.SHOW,f);return a(b).trigger(g),g.isDefaultPrevented()?!1:(this.focus(),this.setAttribute("aria-expanded","true"),a(b).toggleClass(l.OPEN),a(b).trigger(a.Event(k.SHOWN,f)),!1)}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._element).off(h),this._element=null}},{key:"_addEventListeners",value:function(){a(this._element).on(k.CLICK,this.toggle)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this).data(g);d||a(this).data(g,d=new c(this)),"string"==typeof b&&d[b].call(this)})}},{key:"_clearMenus",value:function(b){if(!b||3!==b.which){var d=a(m.BACKDROP)[0];d&&d.parentNode.removeChild(d);for(var e=a.makeArray(a(m.DATA_TOGGLE)),f=0;f<e.length;f++){var g=c._getParentFromElement(e[f]),h={relatedTarget:e[f]};if(a(g).hasClass(l.OPEN)&&!(b&&"click"===b.type&&/input|textarea/i.test(b.target.tagName)&&a.contains(g,b.target))){var i=a.Event(k.HIDE,h);a(g).trigger(i),i.isDefaultPrevented()||(e[f].setAttribute("aria-expanded","false"),a(g).removeClass(l.OPEN).trigger(a.Event(k.HIDDEN,h)))}}}}},{key:"_getParentFromElement",value:function(b){var c=void 0,d=e.getSelectorFromElement(b);return d&&(c=a(d)[0]),c||b.parentNode}},{key:"_dataApiKeydownHandler",value:function(b){if(/(38|40|27|32)/.test(b.which)&&!/input|textarea/i.test(b.target.tagName)&&(b.preventDefault(),b.stopPropagation(),!this.disabled&&!a(this).hasClass(l.DISABLED))){var d=c._getParentFromElement(this),e=a(d).hasClass(l.OPEN);if(!e&&27!==b.which||e&&27===b.which){if(27===b.which){var f=a(d).find(m.DATA_TOGGLE)[0];a(f).trigger("focus")}return void a(this).trigger("click")}var g=a.makeArray(a(m.VISIBLE_ITEMS));if(g=g.filter(function(a){return a.offsetWidth||a.offsetHeight}),g.length){var h=g.indexOf(b.target);38===b.which&&h>0&&h--,40===b.which&&h<g.length-1&&h++,~h||(h=0),g[h].focus()}}}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(k.KEYDOWN_DATA_API,m.DATA_TOGGLE,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_MENU,n._dataApiKeydownHandler).on(k.KEYDOWN_DATA_API,m.ROLE_LISTBOX,n._dataApiKeydownHandler).on(k.CLICK_DATA_API,n._clearMenus).on(k.CLICK_DATA_API,m.DATA_TOGGLE,n.prototype.toggle).on(k.CLICK_DATA_API,m.FORM_CHILD,function(a){a.stopPropagation()}),a.fn[c]=n._jQueryInterface,a.fn[c].Constructor=n,a.fn[c].noConflict=function(){return a.fn[c]=j,n._jQueryInterface},n}(jQuery),function(a){var c="modal",f="4.0.0",g="bs.modal",h="."+g,i=".data-api",j=a.fn[c],k=300,l=150,m={backdrop:!0,keyboard:!0,focus:!0,show:!0},n={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},o={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,FOCUSIN:"focusin"+h,RESIZE:"resize"+h,CLICK_DISMISS:"click.dismiss"+h,KEYDOWN_DISMISS:"keydown.dismiss"+h,MOUSEUP_DISMISS:"mouseup.dismiss"+h,MOUSEDOWN_DISMISS:"mousedown.dismiss"+h,CLICK_DATA_API:"click"+h+i},p={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",IN:"in"},q={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".navbar-fixed-top, .navbar-fixed-bottom, .is-fixed"},r=function(){function i(c,d){b(this,i),this._config=this._getConfig(d),this._element=c,this._dialog=a(c).find(q.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return d(i,[{key:"toggle",value:function(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function(b){var c=this,d=a.Event(o.SHOW,{relatedTarget:b});a(this._element).trigger(d),this._isShown||d.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),a(document.body).addClass(p.OPEN),this._setEscapeEvent(),this._setResizeEvent(),a(this._element).on(o.CLICK_DISMISS,q.DATA_DISMISS,a.proxy(this.hide,this)),a(this._dialog).on(o.MOUSEDOWN_DISMISS,function(){a(c._element).one(o.MOUSEUP_DISMISS,function(b){a(b.target).is(c._element)&&(that._ignoreBackdropClick=!0)})}),this._showBackdrop(a.proxy(this._showElement,this,b)))}},{key:"hide",value:function(b){b&&b.preventDefault();var c=a.Event(o.HIDE);a(this._element).trigger(c),this._isShown&&!c.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),a(document).off(o.FOCUSIN),a(this._element).removeClass(p.IN),a(this._element).off(o.CLICK_DISMISS),a(this._dialog).off(o.MOUSEDOWN_DISMISS),e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._element).one(e.TRANSITION_END,a.proxy(this._hideModal,this)).emulateTransitionEnd(k):this._hideModal())}},{key:"dispose",value:function(){a.removeData(this._element,g),a(window).off(h),a(document).off(h),a(this._element).off(h),a(this._backdrop).off(h),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null}},{key:"_getConfig",value:function(b){return b=a.extend({},m,b),e.typeCheckConfig(c,b,n),b}},{key:"_showElement",value:function(b){var c=this,d=e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.scrollTop=0,d&&e.reflow(this._element),a(this._element).addClass(p.IN),this._config.focus&&this._enforceFocus();var f=a.Event(o.SHOWN,{relatedTarget:b}),g=function(){c._config.focus&&c._element.focus(),a(c._element).trigger(f)};d?a(this._dialog).one(e.TRANSITION_END,g).emulateTransitionEnd(k):g()}},{key:"_enforceFocus",value:function(){var b=this;a(document).off(o.FOCUSIN).on(o.FOCUSIN,function(c){b._element===c.target||a(b._element).has(c.target).length||b._element.focus()})}},{key:"_setEscapeEvent",value:function(){var b=this;this._isShown&&this._config.keyboard?a(this._element).on(o.KEYDOWN_DISMISS,function(a){27===a.which&&b.hide()}):this._isShown||a(this._element).off(o.KEYDOWN_DISMISS)}},{key:"_setResizeEvent",value:function(){this._isShown?a(window).on(o.RESIZE,a.proxy(this._handleUpdate,this)):a(window).off(o.RESIZE)}},{key:"_hideModal",value:function(){var b=this;this._element.style.display="none",this._showBackdrop(function(){a(document.body).removeClass(p.OPEN),b._resetAdjustments(),b._resetScrollbar(),a(b._element).trigger(o.HIDDEN)})}},{key:"_removeBackdrop",value:function(){this._backdrop&&(a(this._backdrop).remove(),this._backdrop=null)}},{key:"_showBackdrop",value:function(b){var c=this,d=a(this._element).hasClass(p.FADE)?p.FADE:"";if(this._isShown&&this._config.backdrop){var f=e.supportsTransitionEnd()&&d;if(this._backdrop=document.createElement("div"),this._backdrop.className=p.BACKDROP,d&&a(this._backdrop).addClass(d),a(this._backdrop).appendTo(document.body),a(this._element).on(o.CLICK_DISMISS,function(a){return c._ignoreBackdropClick?void(c._ignoreBackdropClick=!1):void(a.target===a.currentTarget&&("static"===c._config.backdrop?c._element.focus():c.hide()))}),f&&e.reflow(this._backdrop),a(this._backdrop).addClass(p.IN),!b)return;if(!f)return void b();a(this._backdrop).one(e.TRANSITION_END,b).emulateTransitionEnd(l)}else if(!this._isShown&&this._backdrop){a(this._backdrop).removeClass(p.IN);var g=function(){c._removeBackdrop(),b&&b()};e.supportsTransitionEnd()&&a(this._element).hasClass(p.FADE)?a(this._backdrop).one(e.TRANSITION_END,g).emulateTransitionEnd(l):g()}else b&&b()}},{key:"_handleUpdate",value:function(){this._adjustDialog()}},{key:"_adjustDialog",value:function(){var a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px~")}},{key:"_resetAdjustments",value:function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function(){var a=window.innerWidth;if(!a){var b=document.documentElement.getBoundingClientRect();a=b.right-Math.abs(b.left)}this._isBodyOverflowing=document.body.clientWidth<a,this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function(){var b=parseInt(a(q.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+(this._scrollbarWidth+"px"))}},{key:"_resetScrollbar",value:function(){document.body.style.paddingRight=this._originalBodyPadding}},{key:"_getScrollbarWidth",value:function(){var a=document.createElement("div");a.className=p.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b}}],[{key:"_jQueryInterface",value:function(b,c){return this.each(function(){var d=a(this).data(g),e=a.extend({},i.Default,a(this).data(),"object"==typeof b&&b);d||(d=new i(this,e),a(this).data(g,d)),"string"==typeof b?d[b](c):e.show&&d.show(c)})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return m}}]),i}();return a(document).on(o.CLICK_DATA_API,q.DATA_TOGGLE,function(b){var c=this,d=void 0,f=e.getSelectorFromElement(this);f&&(d=a(f)[0]);var h=a(d).data(g)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var i=a(d).one(o.SHOW,function(b){b.isDefaultPrevented()||i.one(o.HIDDEN,function(){a(c).is(":visible")&&c.focus()})});r._jQueryInterface.call(a(d),h,this)}),a.fn[c]=r._jQueryInterface,a.fn[c].Constructor=r,a.fn[c].noConflict=function(){return a.fn[c]=j,r._jQueryInterface},r}(jQuery),function(a){var c="scrollspy",f="4.0.0",g="bs.scrollspy",h="."+g,i=".data-api",j=a.fn[c],k={offset:10,method:"auto",target:""},l={offset:"number",method:"string",target:"(string|element)"},m={ACTIVATE:"activate"+h,SCROLL:"scroll"+h,LOAD_DATA_API:"load"+h+i},n={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},o={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},p={OFFSET:"offset",POSITION:"position"},q=function(){function i(c,d){b(this,i),this._element=c,this._scrollElement="BODY"===c.tagName?window:c,this._config=this._getConfig(d),this._selector=this._config.target+" "+o.NAV_LINKS+","+(this._config.target+" "+o.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(m.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return d(i,[{key:"refresh",value:function(){var b=this,c=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,d="auto"===this._config.method?c:this._config.method,f=d===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=e.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+f,g]:void 0}).filter(function(a){return a}).sort(function(a,b){return a[0]-b[0]}).forEach(function(a){b._offsets.push(a[0]),b._targets.push(a[1])})}},{key:"dispose",value:function(){a.removeData(this._element,g),a(this._scrollElement).off(h),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(b){if(b=a.extend({},k,b),"string"!=typeof b.target){var d=a(b.target).attr("id");d||(d=e.getUID(c),a(b.target).attr("id",d)),b.target="#"+d}return e.typeCheckConfig(c,b,l),b}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.scrollY:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_process",value:function(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}}},{key:"_activate",value:function(b){this._activeTarget=b,this._clear();var c=this._selector.split(",");c=c.map(function(a){return a+'[data-target="'+b+'"],'+(a+'[href="'+b+'"]')});var d=a(c.join(","));d.hasClass(n.DROPDOWN_ITEM)?(d.closest(o.DROPDOWN).find(o.DROPDOWN_TOGGLE).addClass(n.ACTIVE),d.addClass(n.ACTIVE)):d.parents(o.LI).find(o.NAV_LINKS).addClass(n.ACTIVE),a(this._scrollElement).trigger(m.ACTIVATE,{relatedTarget:b})}},{key:"_clear",value:function(){a(this._selector).filter(o.ACTIVE).removeClass(n.ACTIVE)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b&&b||null;c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]()})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return k}}]),i}();return a(window).on(m.LOAD_DATA_API,function(){for(var b=a.makeArray(a(o.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);q._jQueryInterface.call(d,d.data())}}),a.fn[c]=q._jQueryInterface,a.fn[c].Constructor=q,a.fn[c].noConflict=function(){return a.fn[c]=j,q._jQueryInterface},q}(jQuery),function(a){var c="tab",f="4.0.0",g="bs.tab",h="."+g,i=".data-api",j=a.fn[c],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",DROPDOWN:".dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .nav-item .fade, > .fade",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},o=function(){function c(a){b(this,c),this._element=a}return d(c,[{key:"show",value:function(){var b=this;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE||!a(this._element).hasClass(m.ACTIVE)){var c=void 0,d=void 0,f=a(this._element).closest(n.UL)[0],g=e.getSelectorFromElement(this._element);f&&(d=a.makeArray(a(f).find(n.ACTIVE)),d=d[d.length-1]);var h=a.Event(l.HIDE,{
+relatedTarget:this._element}),i=a.Event(l.SHOW,{relatedTarget:d});if(d&&a(d).trigger(h),a(this._element).trigger(i),!i.isDefaultPrevented()&&!h.isDefaultPrevented()){g&&(c=a(g)[0]),this._activate(this._element,f);var j=function(){var c=a.Event(l.HIDDEN,{relatedTarget:b._element}),e=a.Event(l.SHOWN,{relatedTarget:d});a(d).trigger(c),a(b._element).trigger(e)};c?this._activate(c,c.parentNode,j):j()}}}},{key:"dispose",value:function(){a.removeClass(this._element,g),this._element=null}},{key:"_activate",value:function(b,c,d){var f=a(c).find(n.ACTIVE_CHILD)[0],g=d&&e.supportsTransitionEnd()&&(f&&a(f).hasClass(m.FADE)||Boolean(a(c).find(n.FADE_CHILD)[0])),h=a.proxy(this._transitionComplete,this,b,f,g,d);f&&g?a(f).one(e.TRANSITION_END,h).emulateTransitionEnd(k):h(),f&&a(f).removeClass(m.IN)}},{key:"_transitionComplete",value:function(b,c,d,f){if(c){a(c).removeClass(m.ACTIVE);var g=a(c).find(n.DROPDOWN_ACTIVE_CHILD)[0];g&&a(g).removeClass(m.ACTIVE),c.setAttribute("aria-expanded",!1)}if(a(b).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0),d?(e.reflow(b),a(b).addClass(m.IN)):a(b).removeClass(m.FADE),b.parentNode&&a(b.parentNode).hasClass(m.DROPDOWN_MENU)){var h=a(b).closest(n.DROPDOWN)[0];h&&a(h).find(n.DROPDOWN_TOGGLE).addClass(m.ACTIVE),b.setAttribute("aria-expanded",!0)}f&&f()}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var d=a(this),e=d.data(g);e||(e=e=new c(this),d.data(g,e)),"string"==typeof b&&e[b]()})}},{key:"VERSION",get:function(){return f}}]),c}();return a(document).on(l.CLICK_DATA_API,n.DATA_TOGGLE,function(b){b.preventDefault(),o._jQueryInterface.call(a(this),"show")}),a.fn[c]=o._jQueryInterface,a.fn[c].Constructor=o,a.fn[c].noConflict=function(){return a.fn[c]=j,o._jQueryInterface},o}(jQuery),function(a){var c="tooltip",f="4.0.0",g="bs.tooltip",h="."+g,i=a.fn[c],j=150,k="bs-tether",l={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[]},m={animation:"boolean",template:"string",title:"(string|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array"},n={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},o={IN:"in",OUT:"out"},p={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,INSERTED:"inserted"+h,CLICK:"click"+h,FOCUSIN:"focusin"+h,FOCUSOUT:"focusout"+h,MOUSEENTER:"mouseenter"+h,MOUSELEAVE:"mouseleave"+h},q={FADE:"fade",IN:"in"},r={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},s={element:!1,enabled:!1},t={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},u=function(){function i(a,c){b(this,i),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._tether=null,this.element=a,this.config=this._getConfig(c),this.tip=null,this._setListeners()}return d(i,[{key:"enable",value:function(){this._isEnabled=!0}},{key:"disable",value:function(){this._isEnabled=!1}},{key:"toggleEnabled",value:function(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function(b){if(b){var c=this.constructor.DATA_KEY,d=a(b.currentTarget).data(c);d||(d=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(c,d)),d._activeTrigger.click=!d._activeTrigger.click,d._isWithActiveTrigger()?d._enter(null,d):d._leave(null,d)}else{if(a(this.getTipElement()).hasClass(q.IN))return void this._leave(null,this);this._enter(null,this)}}},{key:"dispose",value:function(){clearTimeout(this._timeout),this.cleanupTether(),a.removeData(this.element,this.constructor.DATA_KEY),a(this.element).off(this.constructor.EVENT_KEY),this.tip&&a(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null}},{key:"show",value:function(){var b=this,c=a.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){a(this.element).trigger(c);var d=a.contains(this.element.ownerDocument.documentElement,this.element);if(c.isDefaultPrevented()||!d)return;var f=this.getTipElement(),g=e.getUID(this.constructor.NAME);f.setAttribute("id",g),this.element.setAttribute("aria-describedby",g),this.setContent(),this.config.animation&&a(f).addClass(q.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,f,this.element):this.config.placement,j=this._getAttachment(h);a(f).data(this.constructor.DATA_KEY,this).appendTo(document.body),a(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:j,element:f,target:this.element,classes:s,classPrefix:k,offset:this.config.offset,constraints:this.config.constraints}),e.reflow(f),this._tether.position(),a(f).addClass(q.IN);var l=function(){var c=b._hoverState;b._hoverState=null,a(b.element).trigger(b.constructor.Event.SHOWN),c===o.OUT&&b._leave(null,b)};if(e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE))return void a(this.tip).one(e.TRANSITION_END,l).emulateTransitionEnd(i._TRANSITION_DURATION);l()}}},{key:"hide",value:function(b){var c=this,d=this.getTipElement(),f=a.Event(this.constructor.Event.HIDE),g=function(){c._hoverState!==o.IN&&d.parentNode&&d.parentNode.removeChild(d),c.element.removeAttribute("aria-describedby"),a(c.element).trigger(c.constructor.Event.HIDDEN),c.cleanupTether(),b&&b()};a(this.element).trigger(f),f.isDefaultPrevented()||(a(d).removeClass(q.IN),e.supportsTransitionEnd()&&a(this.tip).hasClass(q.FADE)?a(d).one(e.TRANSITION_END,g).emulateTransitionEnd(j):g(),this._hoverState="")}},{key:"isWithContent",value:function(){return Boolean(this.getTitle())}},{key:"getTipElement",value:function(){return this.tip=this.tip||a(this.config.template)[0]}},{key:"setContent",value:function(){var b=this.getTipElement(),c=this.getTitle(),d=this.config.html?"innerHTML":"innerText";a(b).find(r.TOOLTIP_INNER)[0][d]=c,a(b).removeClass(q.FADE).removeClass(q.IN),this.cleanupTether()}},{key:"getTitle",value:function(){var a=this.element.getAttribute("data-original-title");return a||(a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),a}},{key:"cleanupTether",value:function(){this._tether&&(this._tether.destroy(),a(this.element).removeClass(this._removeTetherClasses),a(this.tip).removeClass(this._removeTetherClasses))}},{key:"_getAttachment",value:function(a){return n[a.toUpperCase()]}},{key:"_setListeners",value:function(){var b=this,c=this.config.trigger.split(" ");c.forEach(function(c){if("click"===c)a(b.element).on(b.constructor.Event.CLICK,b.config.selector,a.proxy(b.toggle,b));else if(c!==t.MANUAL){var d=c===t.HOVER?b.constructor.Event.MOUSEENTER:b.constructor.Event.FOCUSIN,e=c===t.HOVER?b.constructor.Event.MOUSELEAVE:b.constructor.Event.FOCUSOUT;a(b.element).on(d,b.config.selector,a.proxy(b._enter,b)).on(e,b.config.selector,a.proxy(b._leave,b))}}),this.config.selector?this.config=a.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()}},{key:"_removeTetherClasses",value:function(a,b){return((b.baseVal||b).match(new RegExp("(^|\\s)"+k+"-\\S+","g"))||[]).join(" ")}},{key:"_fixTitle",value:function(){var a=typeof this.element.getAttribute("data-original-title");(this.element.getAttribute("title")||"string"!==a)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))}},{key:"_enter",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusin"===b.type?t.FOCUS:t.HOVER]=!0),a(c.getTipElement()).hasClass(q.IN)||c._hoverState===o.IN?void(c._hoverState=o.IN):(clearTimeout(c._timeout),c._hoverState=o.IN,c.config.delay&&c.config.delay.show?void(c._timeout=setTimeout(function(){c._hoverState===o.IN&&c.show()},c.config.delay.show)):void c.show())}},{key:"_leave",value:function(b,c){var d=this.constructor.DATA_KEY;return c=c||a(b.currentTarget).data(d),c||(c=new this.constructor(b.currentTarget,this._getDelegateConfig()),a(b.currentTarget).data(d,c)),b&&(c._activeTrigger["focusout"===b.type?t.FOCUS:t.HOVER]=!1),c._isWithActiveTrigger()?void 0:(clearTimeout(c._timeout),c._hoverState=o.OUT,c.config.delay&&c.config.delay.hide?void(c._timeout=setTimeout(function(){c._hoverState===o.OUT&&c.hide()},c.config.delay.hide)):void c.hide())}},{key:"_isWithActiveTrigger",value:function(){for(var a in this._activeTrigger)if(this._activeTrigger[a])return!0;return!1}},{key:"_getConfig",value:function(b){return b=a.extend({},this.constructor.Default,a(this.element).data(),b),b.delay&&"number"==typeof b.delay&&(b.delay={show:b.delay,hide:b.delay}),e.typeCheckConfig(c,b,this.constructor.DefaultType),b}},{key:"_getDelegateConfig",value:function(){var a={};if(this.config)for(var b in this.config)this.constructor.Default[b]!==this.config[b]&&(a[b]=this.config[b]);return a}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(g),d="object"==typeof b?b:null;(c||!/destroy|hide/.test(b))&&(c||(c=new i(this,d),a(this).data(g,c)),"string"==typeof b&&c[b]())})}},{key:"VERSION",get:function(){return f}},{key:"Default",get:function(){return l}},{key:"NAME",get:function(){return c}},{key:"DATA_KEY",get:function(){return g}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return h}},{key:"DefaultType",get:function(){return m}}]),i}();return a.fn[c]=u._jQueryInterface,a.fn[c].Constructor=u,a.fn[c].noConflict=function(){return a.fn[c]=i,u._jQueryInterface},u}(jQuery));!function(e){var g="popover",h="4.0.0",i="bs.popover",j="."+i,k=e.fn[g],l=e.extend({},f.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="popover-arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),m=e.extend({},f.DefaultType,{content:"(string|function)"}),n={FADE:"fade",IN:"in"},o={TITLE:".popover-title",CONTENT:".popover-content",ARROW:".popover-arrow"},p={HIDE:"hide"+j,HIDDEN:"hidden"+j,SHOW:"show"+j,SHOWN:"shown"+j,INSERTED:"inserted"+j,CLICK:"click"+j,FOCUSIN:"focusin"+j,FOCUSOUT:"focusout"+j,MOUSEENTER:"mouseenter"+j,MOUSELEAVE:"mouseleave"+j},q=function(f){function k(){b(this,k),c(Object.getPrototypeOf(k.prototype),"constructor",this).apply(this,arguments)}return a(k,f),d(k,[{key:"isWithContent",value:function(){return this.getTitle()||this._getContent()}},{key:"getTipElement",value:function(){return this.tip=this.tip||e(this.config.template)[0]}},{key:"setContent",value:function(){var a=this.getTipElement(),b=this.getTitle(),c=this._getContent(),d=e(a).find(o.TITLE)[0];d&&(d[this.config.html?"innerHTML":"innerText"]=b),e(a).find(o.CONTENT).children().detach().end()[this.config.html?"string"==typeof c?"html":"append":"text"](c),e(a).removeClass(n.FADE).removeClass(n.IN),this.cleanupTether()}},{key:"_getContent",value:function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)}}],[{key:"_jQueryInterface",value:function(a){return this.each(function(){var b=e(this).data(i),c="object"==typeof a?a:null;(b||!/destroy|hide/.test(a))&&(b||(b=new k(this,c),e(this).data(i,b)),"string"==typeof a&&b[a]())})}},{key:"VERSION",get:function(){return h}},{key:"Default",get:function(){return l}},{key:"NAME",get:function(){return g}},{key:"DATA_KEY",get:function(){return i}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return j}},{key:"DefaultType",get:function(){return m}}]),k}(f);return e.fn[g]=q._jQueryInterface,e.fn[g].Constructor=q,e.fn[g].noConflict=function(){return e.fn[g]=k,q._jQueryInterface},q}(jQuery)}}(jQuery);
\ No newline at end of file
diff --git a/docs/dist/js/umd/scrollspy.js b/docs/dist/js/umd/scrollspy.js
index 720640fb3d..7f38bfca14 100644
--- a/docs/dist/js/umd/scrollspy.js
+++ b/docs/dist/js/umd/scrollspy.js
@@ -62,16 +62,23 @@
     };
 
     var ClassName = {
+      DROPDOWN_ITEM: 'dropdown-item',
       DROPDOWN_MENU: 'dropdown-menu',
+      NAV_LINK: 'nav-link',
+      NAV: 'nav',
       ACTIVE: 'active'
     };
 
     var Selector = {
       DATA_SPY: '[data-spy="scroll"]',
       ACTIVE: '.active',
+      LIST_ITEM: '.list-item',
       LI: 'li',
       LI_DROPDOWN: 'li.dropdown',
-      NAV_ANCHORS: '.nav li > a'
+      NAV_LINKS: '.nav-link',
+      DROPDOWN: '.dropdown',
+      DROPDOWN_ITEMS: '.dropdown-item',
+      DROPDOWN_TOGGLE: '.dropdown-toggle'
     };
 
     var OffsetMethod = {
@@ -92,7 +99,7 @@
         this._element = element;
         this._scrollElement = element.tagName === 'BODY' ? window : element;
         this._config = this._getConfig(config);
-        this._selector = this._config.target + ' ' + Selector.NAV_ANCHORS;
+        this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
         this._offsets = [];
         this._targets = [];
         this._activeTarget = null;
@@ -240,20 +247,20 @@
 
           this._clear();
 
-          var selector = this._selector + '[data-target="' + target + '"],' + (this._selector + '[href="' + target + '"]');
+          var queries = this._selector.split(',');
+          queries = queries.map(function (selector) {
+            return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+          });
 
-          // todo (fat): getting all the raw li's up the tree is not great.
-          var parentListItems = $(selector).parents(Selector.LI);
+          var $link = $(queries.join(','));
 
-          for (var i = parentListItems.length; i--;) {
-            $(parentListItems[i]).addClass(ClassName.ACTIVE);
-
-            var itemParent = parentListItems[i].parentNode;
-
-            if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-              var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
-              $(closestDropdown).addClass(ClassName.ACTIVE);
-            }
+          if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+            $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+            $link.addClass(ClassName.ACTIVE);
+          } else {
+            // todo (fat) this is kinda sus…
+            // recursively add actives to tested nav-links
+            $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
           }
 
           $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -263,11 +270,7 @@
       }, {
         key: '_clear',
         value: function _clear() {
-          var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
-
-          for (var i = activeParents.length; i--;) {
-            $(activeParents[i]).removeClass(ClassName.ACTIVE);
-          }
+          $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
         }
 
         // static
diff --git a/docs/dist/js/umd/tab.js b/docs/dist/js/umd/tab.js
index 065177e7c8..a80a96e657 100644
--- a/docs/dist/js/umd/tab.js
+++ b/docs/dist/js/umd/tab.js
@@ -62,13 +62,14 @@
     var Selector = {
       A: 'a',
       LI: 'li',
-      LI_DROPDOWN: 'li.dropdown',
+      DROPDOWN: '.dropdown',
       UL: 'ul:not(.dropdown-menu)',
-      FADE_CHILD: '> .fade',
+      FADE_CHILD: '> .nav-item .fade, > .fade',
       ACTIVE: '.active',
-      ACTIVE_CHILD: '> .active',
+      ACTIVE_CHILD: '> .nav-item > .active, > .active',
       DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
-      DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu > .active'
+      DROPDOWN_TOGGLE: '.dropdown-toggle',
+      DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
     };
 
     /**
@@ -100,7 +101,7 @@
         value: function show() {
           var _this = this;
 
-          if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).parent().hasClass(ClassName.ACTIVE)) {
+          if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
             return;
           }
 
@@ -112,10 +113,6 @@
           if (ulElement) {
             previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
             previous = previous[previous.length - 1];
-
-            if (previous) {
-              previous = $(previous).find(Selector.A)[0];
-            }
           }
 
           var hideEvent = $.Event(Event.HIDE, {
@@ -140,7 +137,7 @@
             target = $(selector)[0];
           }
 
-          this._activate($(this._element).closest(Selector.LI)[0], ulElement);
+          this._activate(this._element, ulElement);
 
           var complete = function complete() {
             var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -195,22 +192,16 @@
             $(active).removeClass(ClassName.ACTIVE);
 
             var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
             if (dropdownChild) {
               $(dropdownChild).removeClass(ClassName.ACTIVE);
             }
 
-            var activeToggle = $(active).find(Selector.DATA_TOGGLE)[0];
-            if (activeToggle) {
-              activeToggle.setAttribute('aria-expanded', false);
-            }
+            active.setAttribute('aria-expanded', false);
           }
 
           $(element).addClass(ClassName.ACTIVE);
-
-          var elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-          if (elementToggle) {
-            elementToggle.setAttribute('aria-expanded', true);
-          }
+          element.setAttribute('aria-expanded', true);
 
           if (isTransitioning) {
             _Util['default'].reflow(element);
@@ -221,15 +212,12 @@
 
           if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-            var dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0];
+            var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
             if (dropdownElement) {
-              $(dropdownElement).addClass(ClassName.ACTIVE);
+              $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
             }
 
-            elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-            if (elementToggle) {
-              elementToggle.setAttribute('aria-expanded', true);
-            }
+            element.setAttribute('aria-expanded', true);
           }
 
           if (callback) {
diff --git a/js/dist/scrollspy.js b/js/dist/scrollspy.js
index 75f369165c..d4617075e6 100644
--- a/js/dist/scrollspy.js
+++ b/js/dist/scrollspy.js
@@ -45,16 +45,23 @@ var ScrollSpy = (function ($) {
   };
 
   var ClassName = {
+    DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
+    NAV_LINK: 'nav-link',
+    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
+    LIST_ITEM: '.list-item',
     LI: 'li',
     LI_DROPDOWN: 'li.dropdown',
-    NAV_ANCHORS: '.nav li > a'
+    NAV_LINKS: '.nav-link',
+    DROPDOWN: '.dropdown',
+    DROPDOWN_ITEMS: '.dropdown-item',
+    DROPDOWN_TOGGLE: '.dropdown-toggle'
   };
 
   var OffsetMethod = {
@@ -75,7 +82,7 @@ var ScrollSpy = (function ($) {
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_ANCHORS;
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
@@ -223,20 +230,20 @@ var ScrollSpy = (function ($) {
 
         this._clear();
 
-        var selector = this._selector + '[data-target="' + target + '"],' + (this._selector + '[href="' + target + '"]');
+        var queries = this._selector.split(',');
+        queries = queries.map(function (selector) {
+          return selector + '[data-target="' + target + '"],' + (selector + '[href="' + target + '"]');
+        });
 
-        // todo (fat): getting all the raw li's up the tree is not great.
-        var parentListItems = $(selector).parents(Selector.LI);
+        var $link = $(queries.join(','));
 
-        for (var i = parentListItems.length; i--;) {
-          $(parentListItems[i]).addClass(ClassName.ACTIVE);
-
-          var itemParent = parentListItems[i].parentNode;
-
-          if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-            var closestDropdown = $(itemParent).closest(Selector.LI_DROPDOWN)[0];
-            $(closestDropdown).addClass(ClassName.ACTIVE);
-          }
+        if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+          $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
+          $link.addClass(ClassName.ACTIVE);
+        } else {
+          // todo (fat) this is kinda sus…
+          // recursively add actives to tested nav-links
+          $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
         }
 
         $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -246,11 +253,7 @@ var ScrollSpy = (function ($) {
     }, {
       key: '_clear',
       value: function _clear() {
-        var activeParents = $(this._selector).parentsUntil(this._config.target, Selector.ACTIVE);
-
-        for (var i = activeParents.length; i--;) {
-          $(activeParents[i]).removeClass(ClassName.ACTIVE);
-        }
+        $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
       }
 
       // static
diff --git a/js/dist/scrollspy.js.map b/js/dist/scrollspy.js.map
index 0f69689505..0360c98972 100644
--- a/js/dist/scrollspy.js.map
+++ b/js/dist/scrollspy.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME               = 'scrollspy'\n  const VERSION            = '4.0.0'\n  const DATA_KEY           = 'bs.scrollspy'\n  const EVENT_KEY          = `.${DATA_KEY}`\n  const DATA_API_KEY       = '.data-api'\n  const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n  const Default = {\n    offset : 10,\n    method : 'auto',\n    target : ''\n  }\n\n  const DefaultType = {\n    offset : 'number',\n    method : 'string',\n    target : '(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY    : '[data-spy=\"scroll\"]',\n    ACTIVE      : '.active',\n    LI          : 'li',\n    LI_DROPDOWN : 'li.dropdown',\n    NAV_ANCHORS : '.nav li > a'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_ANCHORS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      let autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      let offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      let offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      let targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          let targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target && (target.offsetWidth || target.offsetHeight)) {\n            // todo (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.scrollY : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _process() {\n      let scrollTop    = this._getScrollTop() + this._config.offset\n      let scrollHeight = this._getScrollHeight()\n      let maxScroll    = this._config.offset\n        + scrollHeight\n        - this._scrollElement.offsetHeight\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        let target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0]) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        let isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (this._offsets[i + 1] === undefined ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let selector =\n        `${this._selector}[data-target=\"${target}\"],` +\n        `${this._selector}[href=\"${target}\"]`\n\n      // todo (fat): getting all the raw li's up the tree is not great.\n      let parentListItems = $(selector).parents(Selector.LI)\n\n      for (let i = parentListItems.length; i--;) {\n        $(parentListItems[i]).addClass(ClassName.ACTIVE)\n\n        let itemParent = parentListItems[i].parentNode\n\n        if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {\n          let closestDropdown = $(itemParent)\n            .closest(Selector.LI_DROPDOWN)[0]\n          $(closestDropdown).addClass(ClassName.ACTIVE)\n        }\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      let activeParents = $(this._selector).parentsUntil(\n        this._config.target,\n        Selector.ACTIVE\n      )\n\n      for (let i = activeParents.length; i--;) {\n        $(activeParents[i]).removeClass(ClassName.ACTIVE)\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data    = $(this).data(DATA_KEY)\n        let _config = typeof config === 'object' && config || null\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    let scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      let $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME               = 'scrollspy'\n  const VERSION            = '4.0.0'\n  const DATA_KEY           = 'bs.scrollspy'\n  const EVENT_KEY          = `.${DATA_KEY}`\n  const DATA_API_KEY       = '.data-api'\n  const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n  const Default = {\n    offset : 10,\n    method : 'auto',\n    target : ''\n  }\n\n  const DefaultType = {\n    offset : 'number',\n    method : 'string',\n    target : '(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_ITEM : 'dropdown-item',\n    DROPDOWN_MENU : 'dropdown-menu',\n    NAV_LINK      : 'nav-link',\n    NAV           : 'nav',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY        : '[data-spy=\"scroll\"]',\n    ACTIVE          : '.active',\n    LIST_ITEM       : '.list-item',\n    LI              : 'li',\n    LI_DROPDOWN     : 'li.dropdown',\n    NAV_LINKS       : '.nav-link',\n    DROPDOWN        : '.dropdown',\n    DROPDOWN_ITEMS  : '.dropdown-item',\n    DROPDOWN_TOGGLE : '.dropdown-toggle'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`\n                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      let autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      let offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      let offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      let targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          let targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target && (target.offsetWidth || target.offsetHeight)) {\n            // todo (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.scrollY : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _process() {\n      let scrollTop    = this._getScrollTop() + this._config.offset\n      let scrollHeight = this._getScrollHeight()\n      let maxScroll    = this._config.offset\n        + scrollHeight\n        - this._scrollElement.offsetHeight\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        let target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0]) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        let isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (this._offsets[i + 1] === undefined ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let queries = this._selector.split(',')\n      queries     = queries.map((selector) => {\n        return `${selector}[data-target=\"${target}\"],` +\n               `${selector}[href=\"${target}\"]`\n      })\n\n      let $link = $(queries.join(','))\n\n      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        $link.addClass(ClassName.ACTIVE)\n      } else {\n        // todo (fat) this is kinda sus…\n        // recursively add actives to tested nav-links\n        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE)\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data    = $(this).data(DATA_KEY)\n        let _config = typeof config === 'object' && config || null\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    let scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      let $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
diff --git a/js/dist/tab.js b/js/dist/tab.js
index 33c2280583..8b175ea488 100644
--- a/js/dist/tab.js
+++ b/js/dist/tab.js
@@ -45,13 +45,14 @@ var Tab = (function ($) {
   var Selector = {
     A: 'a',
     LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    DROPDOWN: '.dropdown',
     UL: 'ul:not(.dropdown-menu)',
-    FADE_CHILD: '> .fade',
+    FADE_CHILD: '> .nav-item .fade, > .fade',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .active',
+    ACTIVE_CHILD: '> .nav-item > .active, > .active',
     DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
-    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu > .active'
+    DROPDOWN_TOGGLE: '.dropdown-toggle',
+    DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
 
   /**
@@ -83,7 +84,7 @@ var Tab = (function ($) {
       value: function show() {
         var _this = this;
 
-        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).parent().hasClass(ClassName.ACTIVE)) {
+        if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
           return;
         }
 
@@ -95,10 +96,6 @@ var Tab = (function ($) {
         if (ulElement) {
           previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
           previous = previous[previous.length - 1];
-
-          if (previous) {
-            previous = $(previous).find(Selector.A)[0];
-          }
         }
 
         var hideEvent = $.Event(Event.HIDE, {
@@ -123,7 +120,7 @@ var Tab = (function ($) {
           target = $(selector)[0];
         }
 
-        this._activate($(this._element).closest(Selector.LI)[0], ulElement);
+        this._activate(this._element, ulElement);
 
         var complete = function complete() {
           var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -178,22 +175,16 @@ var Tab = (function ($) {
           $(active).removeClass(ClassName.ACTIVE);
 
           var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+
           if (dropdownChild) {
             $(dropdownChild).removeClass(ClassName.ACTIVE);
           }
 
-          var activeToggle = $(active).find(Selector.DATA_TOGGLE)[0];
-          if (activeToggle) {
-            activeToggle.setAttribute('aria-expanded', false);
-          }
+          active.setAttribute('aria-expanded', false);
         }
 
         $(element).addClass(ClassName.ACTIVE);
-
-        var elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-        if (elementToggle) {
-          elementToggle.setAttribute('aria-expanded', true);
-        }
+        element.setAttribute('aria-expanded', true);
 
         if (isTransitioning) {
           Util.reflow(element);
@@ -204,15 +195,12 @@ var Tab = (function ($) {
 
         if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
 
-          var dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0];
+          var dropdownElement = $(element).closest(Selector.DROPDOWN)[0];
           if (dropdownElement) {
-            $(dropdownElement).addClass(ClassName.ACTIVE);
+            $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
           }
 
-          elementToggle = $(element).find(Selector.DATA_TOGGLE)[0];
-          if (elementToggle) {
-            elementToggle.setAttribute('aria-expanded', true);
-          }
+          element.setAttribute('aria-expanded', true);
         }
 
         if (callback) {
diff --git a/js/dist/tab.js.map b/js/dist/tab.js.map
index 58eeccb93e..e76463c686 100644
--- a/js/dist/tab.js.map
+++ b/js/dist/tab.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    FADE          : 'fade',\n    IN            : 'in'\n  }\n\n  const Selector = {\n    A                     : 'a',\n    LI                    : 'li',\n    LI_DROPDOWN           : 'li.dropdown',\n    UL                    : 'ul:not(.dropdown-menu)',\n    FADE_CHILD            : '> .fade',\n    ACTIVE                : '.active',\n    ACTIVE_CHILD          : '> .active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"]',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu > .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n         (this._element.parentNode.nodeType === Node.ELEMENT_NODE) &&\n         ($(this._element).parent().hasClass(ClassName.ACTIVE))) {\n        return\n      }\n\n      let target\n      let previous\n      let ulElement = $(this._element).closest(Selector.UL)[0]\n      let selector  = Util.getSelectorFromElement(this._element)\n\n      if (ulElement) {\n        previous = $.makeArray($(ulElement).find(Selector.ACTIVE))\n        previous = previous[previous.length - 1]\n\n        if (previous) {\n          previous = $(previous).find(Selector.A)[0]\n        }\n      }\n\n      let hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      let showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         (hideEvent.isDefaultPrevented())) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        $(this._element).closest(Selector.LI)[0],\n        ulElement\n      )\n\n      let complete = () => {\n        let hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        let shownEvent  = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeClass(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      let active          = $(container).find(Selector.ACTIVE_CHILD)[0]\n      let isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && ((active && $(active).hasClass(ClassName.FADE))\n           || Boolean($(container).find(Selector.FADE_CHILD)[0]))\n\n      let complete = $.proxy(\n        this._transitionComplete,\n        this,\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.IN)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        let dropdownChild = $(active).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        let activeToggle = $(active).find(Selector.DATA_TOGGLE)[0]\n        if (activeToggle) {\n          activeToggle.setAttribute('aria-expanded', false)\n        }\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n\n      let elementToggle = $(element).find(Selector.DATA_TOGGLE)[0]\n      if (elementToggle) {\n        elementToggle.setAttribute('aria-expanded', true)\n      }\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.IN)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n         ($(element.parentNode).hasClass(ClassName.DROPDOWN_MENU))) {\n\n        let dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).addClass(ClassName.ACTIVE)\n        }\n\n        elementToggle = $(element).find(Selector.DATA_TOGGLE)[0]\n        if (elementToggle) {\n          elementToggle.setAttribute('aria-expanded', true)\n        }\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let $this = $(this)\n        let data  = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    Tab._jQueryInterface.call($(this), 'show')\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    FADE          : 'fade',\n    IN            : 'in'\n  }\n\n  const Selector = {\n    A                     : 'a',\n    LI                    : 'li',\n    DROPDOWN              : '.dropdown',\n    UL                    : 'ul:not(.dropdown-menu)',\n    FADE_CHILD            : '> .nav-item .fade, > .fade',\n    ACTIVE                : '.active',\n    ACTIVE_CHILD          : '> .nav-item > .active, > .active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"]',\n    DROPDOWN_TOGGLE       : '.dropdown-toggle',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n         (this._element.parentNode.nodeType === Node.ELEMENT_NODE) &&\n         ($(this._element).hasClass(ClassName.ACTIVE))) {\n        return\n      }\n\n      let target\n      let previous\n      let ulElement = $(this._element).closest(Selector.UL)[0]\n      let selector  = Util.getSelectorFromElement(this._element)\n\n      if (ulElement) {\n        previous = $.makeArray($(ulElement).find(Selector.ACTIVE))\n        previous = previous[previous.length - 1]\n      }\n\n      let hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      let showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         (hideEvent.isDefaultPrevented())) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        this._element,\n        ulElement\n      )\n\n      let complete = () => {\n        let hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        let shownEvent  = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeClass(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      let active          = $(container).find(Selector.ACTIVE_CHILD)[0]\n      let isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && ((active && $(active).hasClass(ClassName.FADE))\n           || Boolean($(container).find(Selector.FADE_CHILD)[0]))\n\n      let complete = $.proxy(\n        this._transitionComplete,\n        this,\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.IN)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        let dropdownChild = $(active).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        active.setAttribute('aria-expanded', false)\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n      element.setAttribute('aria-expanded', true)\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.IN)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n         ($(element.parentNode).hasClass(ClassName.DROPDOWN_MENU))) {\n\n        let dropdownElement = $(element).closest(Selector.DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        }\n\n        element.setAttribute('aria-expanded', true)\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let $this = $(this)\n        let data  = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    Tab._jQueryInterface.call($(this), 'show')\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
index df33f48de6..27a91958ef 100644
--- a/js/src/scrollspy.js
+++ b/js/src/scrollspy.js
@@ -43,16 +43,23 @@ const ScrollSpy = (($) => {
   }
 
   const ClassName = {
+    DROPDOWN_ITEM : 'dropdown-item',
     DROPDOWN_MENU : 'dropdown-menu',
+    NAV_LINK      : 'nav-link',
+    NAV           : 'nav',
     ACTIVE        : 'active'
   }
 
   const Selector = {
-    DATA_SPY    : '[data-spy="scroll"]',
-    ACTIVE      : '.active',
-    LI          : 'li',
-    LI_DROPDOWN : 'li.dropdown',
-    NAV_ANCHORS : '.nav li > a'
+    DATA_SPY        : '[data-spy="scroll"]',
+    ACTIVE          : '.active',
+    LIST_ITEM       : '.list-item',
+    LI              : 'li',
+    LI_DROPDOWN     : 'li.dropdown',
+    NAV_LINKS       : '.nav-link',
+    DROPDOWN        : '.dropdown',
+    DROPDOWN_ITEMS  : '.dropdown-item',
+    DROPDOWN_TOGGLE : '.dropdown-toggle'
   }
 
   const OffsetMethod = {
@@ -73,7 +80,8 @@ const ScrollSpy = (($) => {
       this._element       = element
       this._scrollElement = element.tagName === 'BODY' ? window : element
       this._config        = this._getConfig(config)
-      this._selector      = `${this._config.target} ${Selector.NAV_ANCHORS}`
+      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`
+                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`
       this._offsets       = []
       this._targets       = []
       this._activeTarget  = null
@@ -229,23 +237,21 @@ const ScrollSpy = (($) => {
 
       this._clear()
 
-      let selector =
-        `${this._selector}[data-target="${target}"],` +
-        `${this._selector}[href="${target}"]`
+      let queries = this._selector.split(',')
+      queries     = queries.map((selector) => {
+        return `${selector}[data-target="${target}"],` +
+               `${selector}[href="${target}"]`
+      })
 
-      // todo (fat): getting all the raw li's up the tree is not great.
-      let parentListItems = $(selector).parents(Selector.LI)
+      let $link = $(queries.join(','))
 
-      for (let i = parentListItems.length; i--;) {
-        $(parentListItems[i]).addClass(ClassName.ACTIVE)
-
-        let itemParent = parentListItems[i].parentNode
-
-        if (itemParent && $(itemParent).hasClass(ClassName.DROPDOWN_MENU)) {
-          let closestDropdown = $(itemParent)
-            .closest(Selector.LI_DROPDOWN)[0]
-          $(closestDropdown).addClass(ClassName.ACTIVE)
-        }
+      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
+        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)
+        $link.addClass(ClassName.ACTIVE)
+      } else {
+        // todo (fat) this is kinda sus…
+        // recursively add actives to tested nav-links
+        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE)
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -254,14 +260,7 @@ const ScrollSpy = (($) => {
     }
 
     _clear() {
-      let activeParents = $(this._selector).parentsUntil(
-        this._config.target,
-        Selector.ACTIVE
-      )
-
-      for (let i = activeParents.length; i--;) {
-        $(activeParents[i]).removeClass(ClassName.ACTIVE)
-      }
+      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)
     }
 
 
diff --git a/js/src/tab.js b/js/src/tab.js
index 9d793417a4..4b311c24e3 100644
--- a/js/src/tab.js
+++ b/js/src/tab.js
@@ -43,13 +43,14 @@ const Tab = (($) => {
   const Selector = {
     A                     : 'a',
     LI                    : 'li',
-    LI_DROPDOWN           : 'li.dropdown',
+    DROPDOWN              : '.dropdown',
     UL                    : 'ul:not(.dropdown-menu)',
-    FADE_CHILD            : '> .fade',
+    FADE_CHILD            : '> .nav-item .fade, > .fade',
     ACTIVE                : '.active',
-    ACTIVE_CHILD          : '> .active',
+    ACTIVE_CHILD          : '> .nav-item > .active, > .active',
     DATA_TOGGLE           : '[data-toggle="tab"], [data-toggle="pill"]',
-    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu > .active'
+    DROPDOWN_TOGGLE       : '.dropdown-toggle',
+    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'
   }
 
 
@@ -78,7 +79,7 @@ const Tab = (($) => {
     show() {
       if (this._element.parentNode &&
          (this._element.parentNode.nodeType === Node.ELEMENT_NODE) &&
-         ($(this._element).parent().hasClass(ClassName.ACTIVE))) {
+         ($(this._element).hasClass(ClassName.ACTIVE))) {
         return
       }
 
@@ -90,10 +91,6 @@ const Tab = (($) => {
       if (ulElement) {
         previous = $.makeArray($(ulElement).find(Selector.ACTIVE))
         previous = previous[previous.length - 1]
-
-        if (previous) {
-          previous = $(previous).find(Selector.A)[0]
-        }
       }
 
       let hideEvent = $.Event(Event.HIDE, {
@@ -120,7 +117,7 @@ const Tab = (($) => {
       }
 
       this._activate(
-        $(this._element).closest(Selector.LI)[0],
+        this._element,
         ulElement
       )
 
@@ -189,22 +186,16 @@ const Tab = (($) => {
         let dropdownChild = $(active).find(
           Selector.DROPDOWN_ACTIVE_CHILD
         )[0]
+
         if (dropdownChild) {
           $(dropdownChild).removeClass(ClassName.ACTIVE)
         }
 
-        let activeToggle = $(active).find(Selector.DATA_TOGGLE)[0]
-        if (activeToggle) {
-          activeToggle.setAttribute('aria-expanded', false)
-        }
+        active.setAttribute('aria-expanded', false)
       }
 
       $(element).addClass(ClassName.ACTIVE)
-
-      let elementToggle = $(element).find(Selector.DATA_TOGGLE)[0]
-      if (elementToggle) {
-        elementToggle.setAttribute('aria-expanded', true)
-      }
+      element.setAttribute('aria-expanded', true)
 
       if (isTransitioning) {
         Util.reflow(element)
@@ -216,15 +207,12 @@ const Tab = (($) => {
       if (element.parentNode &&
          ($(element.parentNode).hasClass(ClassName.DROPDOWN_MENU))) {
 
-        let dropdownElement = $(element).closest(Selector.LI_DROPDOWN)[0]
+        let dropdownElement = $(element).closest(Selector.DROPDOWN)[0]
         if (dropdownElement) {
-          $(dropdownElement).addClass(ClassName.ACTIVE)
+          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)
         }
 
-        elementToggle = $(element).find(Selector.DATA_TOGGLE)[0]
-        if (elementToggle) {
-          elementToggle.setAttribute('aria-expanded', true)
-        }
+        element.setAttribute('aria-expanded', true)
       }
 
       if (callback) {
diff --git a/js/tests/unit/scrollspy.js b/js/tests/unit/scrollspy.js
index 063dfabcfb..574422ef13 100644
--- a/js/tests/unit/scrollspy.js
+++ b/js/tests/unit/scrollspy.js
@@ -129,9 +129,9 @@ $(function () {
     var sectionHTML = '<div id="header" style="height: 500px;"></div>'
         + '<nav id="navigation" class="navbar">'
         + '<ul class="nav navbar-nav">'
-        + '<li class="active"><a id="one-link" href="#one">One</a></li>'
-        + '<li><a id="two-link" href="#two">Two</a></li>'
-        + '<li><a id="three-link" href="#three">Three</a></li>'
+        + '<li class="active"><a class="nav-link" id="one-link" href="#one">One</a></li>'
+        + '<li><a class="nav-link" id="two-link" href="#two">Two</a></li>'
+        + '<li><a class="nav-link" id="three-link" href="#three">Three</a></li>'
         + '</ul>'
         + '</nav>'
         + '<div id="content" style="height: 200px; overflow-y: auto;">'
@@ -147,9 +147,9 @@ $(function () {
     $scrollspy.bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top })
 
     $scrollspy.on('scroll.bs.scrollspy', function () {
-      assert.ok(!$section.find('#one-link').parent().hasClass('active'), '"active" class removed from first section')
-      assert.ok($section.find('#two-link').parent().hasClass('active'), '"active" class on middle section')
-      assert.ok(!$section.find('#three-link').parent().hasClass('active'), '"active" class not on last section')
+      assert.ok(!$section.find('#one-link').hasClass('active'), '"active" class removed from first section')
+      assert.ok($section.find('#two-link').hasClass('active'), '"active" class on middle section')
+      assert.ok(!$section.find('#three-link').hasClass('active'), '"active" class not on last section')
       done()
     })
 
@@ -161,8 +161,8 @@ $(function () {
     var navbarHtml =
         '<nav class="navbar">'
       + '<ul class="nav">'
-      + '<li id="li-1"><a href="#div-1">div 1</a></li>'
-      + '<li id="li-2"><a href="#div-2">div 2</a></li>'
+      + '<li><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>'
+      + '<li><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>'
       + '</ul>'
       + '</nav>'
     var contentHtml =
@@ -189,8 +189,8 @@ $(function () {
       return deferred.promise()
     }
 
-    $.when(testElementIsActiveAfterScroll('#li-1', '#div-1'))
-      .then(function () { return testElementIsActiveAfterScroll('#li-2', '#div-2') })
+    $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
+      .then(function () { return testElementIsActiveAfterScroll('#a-2', '#div-2') })
   })
 
   QUnit.test('should add the active class correctly when there are nested elements at 0 scroll offset', function (assert) {
@@ -199,9 +199,9 @@ $(function () {
     var done = assert.async()
     var navbarHtml = '<nav id="navigation" class="navbar">'
       + '<ul class="nav">'
-      + '<li id="li-1"><a href="#div-1">div 1</a>'
+      + '<li><a id="a-1" class="nav-link" href="#div-1">div 1</a>'
       + '<ul>'
-      + '<li id="li-2"><a href="#div-2">div 2</a></li>'
+      + '<li><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>'
       + '</ul>'
       + '</li>'
       + '</ul>'
@@ -223,8 +223,8 @@ $(function () {
       if (++times > 3) return done()
 
       $content.one('scroll', function () {
-        assert.ok($('#li-1').hasClass('active'), 'nav item for outer element has "active" class')
-        assert.ok($('#li-2').hasClass('active'), 'nav item for inner element has "active" class')
+        assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
+        assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
         testActiveElements()
       })
 
@@ -239,9 +239,9 @@ $(function () {
     var sectionHTML = '<div id="header" style="height: 500px;"></div>'
         + '<nav id="navigation" class="navbar">'
         + '<ul class="nav navbar-nav">'
-        + '<li class="active"><a id="one-link" href="#one">One</a></li>'
-        + '<li><a id="two-link" href="#two">Two</a></li>'
-        + '<li><a id="three-link" href="#three">Three</a></li>'
+        + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
+        + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
+        + '<li><a id="three-link" class="nav-link" href="#three">Three</a></li>'
         + '</ul>'
         + '</nav>'
     $(sectionHTML).appendTo('#qunit-fixture')
@@ -262,8 +262,7 @@ $(function () {
       })
       .one('scroll.bs.scrollspy', function () {
         assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
-        assert.strictEqual($('.active').has('#two-link').length, 1, '"active" class on second section')
-
+        assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section')
         $scrollspy
           .one('scroll.bs.scrollspy', function () {
             assert.strictEqual($('.active').length, 0, 'selection cleared')
@@ -279,11 +278,11 @@ $(function () {
     var navbarHtml =
         '<nav class="navbar">'
       + '<ul class="nav">'
-      + '<li id="li-100-1"><a href="#div-100-1">div 1</a></li>'
-      + '<li id="li-100-2"><a href="#div-100-2">div 2</a></li>'
-      + '<li id="li-100-3"><a href="#div-100-3">div 3</a></li>'
-      + '<li id="li-100-4"><a href="#div-100-4">div 4</a></li>'
-      + '<li id="li-100-5"><a href="#div-100-5">div 5</a></li>'
+      + '<li><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>'
+      + '<li><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>'
+      + '<li><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>'
+      + '<li><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>'
+      + '<li><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>'
       + '</ul>'
       + '</nav>'
     var contentHtml =
@@ -328,9 +327,9 @@ $(function () {
       var navbarHtml =
           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>'
         + '<ul class="nav">'
-        + '<li id="li-' + type + 'm-1"><a href="#div-' + type + 'm-1">div 1</a></li>'
-        + '<li id="li-' + type + 'm-2"><a href="#div-' + type + 'm-2">div 2</a></li>'
-        + '<li id="li-' + type + 'm-3"><a href="#div-' + type + 'm-3">div 3</a></li>'
+        + '<li><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>'
+        + '<li><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>'
+        + '<li><a id="li-' + type + 'm-3" class="nav-link" href="#div-' + type + 'm-3">div 3</a></li>'
         + '</ul>'
         + '</nav>'
       var contentHtml =
@@ -371,9 +370,9 @@ $(function () {
       var navbarHtml =
           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>'
         + '<ul class="nav">'
-        + '<li id="li-' + type + 'm-1"><a href="#div-' + type + 'm-1">div 1</a></li>'
-        + '<li id="li-' + type + 'm-2"><a href="#div-' + type + 'm-2">div 2</a></li>'
-        + '<li id="li-' + type + 'm-3"><a href="#div-' + type + 'm-3">div 3</a></li>'
+        + '<li><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>'
+        + '<li><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>'
+        + '<li><a class="nav-link" id="li-' + type + 'm-3" href="#div-' + type + 'm-3">div 3</a></li>'
         + '</ul>'
         + '</nav>'
       var contentHtml =
diff --git a/js/tests/unit/tab.js b/js/tests/unit/tab.js
index 85d9f67a25..1eed75e90e 100644
--- a/js/tests/unit/tab.js
+++ b/js/tests/unit/tab.js
@@ -191,26 +191,26 @@ $(function () {
   QUnit.test('selected tab should have aria-expanded', function (assert) {
     assert.expect(8)
     var tabsHTML = '<ul class="nav nav-tabs">'
-        + '<li class="active"><a href="#home" toggle="tab" aria-expanded="true">Home</a></li>'
-        + '<li><a href="#profile" toggle="tab" aria-expanded="false">Profile</a></li>'
+        + '<li><a class="nav-item active" href="#home" toggle="tab" aria-expanded="true">Home</a></li>'
+        + '<li><a class="nav-item" href="#profile" toggle="tab" aria-expanded="false">Profile</a></li>'
         + '</ul>'
     var $tabs = $(tabsHTML).appendTo('#qunit-fixture')
 
     $tabs.find('li:first a').bootstrapTab('show')
-    assert.strictEqual($tabs.find('.active a').attr('aria-expanded'), 'true', 'shown tab has aria-expanded = true')
-    assert.strictEqual($tabs.find('li:not(.active) a').attr('aria-expanded'), 'false', 'hidden tab has aria-expanded = false')
+    assert.strictEqual($tabs.find('.active').attr('aria-expanded'), 'true', 'shown tab has aria-expanded = true')
+    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-expanded'), 'false', 'hidden tab has aria-expanded = false')
 
     $tabs.find('li:last a').trigger('click')
-    assert.strictEqual($tabs.find('.active a').attr('aria-expanded'), 'true', 'after click, shown tab has aria-expanded = true')
-    assert.strictEqual($tabs.find('li:not(.active) a').attr('aria-expanded'), 'false', 'after click, hidden tab has aria-expanded = false')
+    assert.strictEqual($tabs.find('.active').attr('aria-expanded'), 'true', 'after click, shown tab has aria-expanded = true')
+    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-expanded'), 'false', 'after click, hidden tab has aria-expanded = false')
 
     $tabs.find('li:first a').bootstrapTab('show')
-    assert.strictEqual($tabs.find('.active a').attr('aria-expanded'), 'true', 'shown tab has aria-expanded = true')
-    assert.strictEqual($tabs.find('li:not(.active) a').attr('aria-expanded'), 'false', 'hidden tab has aria-expanded = false')
+    assert.strictEqual($tabs.find('.active').attr('aria-expanded'), 'true', 'shown tab has aria-expanded = true')
+    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-expanded'), 'false', 'hidden tab has aria-expanded = false')
 
     $tabs.find('li:first a').trigger('click')
-    assert.strictEqual($tabs.find('.active a').attr('aria-expanded'), 'true', 'after second show event, shown tab still has aria-expanded = true')
-    assert.strictEqual($tabs.find('li:not(.active) a').attr('aria-expanded'), 'false', 'after second show event, hidden tab has aria-expanded = false')
+    assert.strictEqual($tabs.find('.active').attr('aria-expanded'), 'true', 'after second show event, shown tab still has aria-expanded = true')
+    assert.strictEqual($tabs.find('a:not(.active)').attr('aria-expanded'), 'false', 'after second show event, hidden tab has aria-expanded = false')
   })
 
 })
diff --git a/js/tests/visual/scrollspy.html b/js/tests/visual/scrollspy.html
index 332d5b6b96..e8ae051080 100644
--- a/js/tests/visual/scrollspy.html
+++ b/js/tests/visual/scrollspy.html
@@ -22,26 +22,25 @@
 
 <div class="container">
 
-  <nav class="navbar navbar-default navbar-fixed-top" role="navigation">
-    <div class="container-fluid">
-      <div class="js-navbar-scrollspy">
-        <ul class="nav navbar-nav">
-          <li class="nav-item active"><a class="nav-link" href="#fat">@fat</a></li>
-          <li class="nav-item"><a class="nav-link" href="#mdo">@mdo</a></li>
-          <li class="dropdown nav-item">
-            <a href="#" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
-            <ul class="dropdown-menu" role="menu">
-              <li class=""><a href="#one" tabindex="-1">one</a></li>
-              <li><a href="#two" tabindex="-1">two</a></li>
-              <li role="separator" class="divider"></li>
-              <li><a href="#three" tabindex="-1">three</a></li>
-            </ul>
-          </li>
-        </ul>
-      </div>
+  <nav class="navbar navbar-dark navbar-fixed-top bg-inverse" role="navigation">
+    <div class="js-navbar-scrollspy">
+      <ul class="nav navbar-nav">
+        <li class="nav-item"><a class="nav-link active" href="#fat">@fat</a></li>
+        <li class="nav-item"><a class="nav-link" href="#mdo">@mdo</a></li>
+        <li class="dropdown nav-item">
+          <a href="#" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown</a>
+          <div class="dropdown-menu" role="menu">
+            <a class="dropdown-item" href="#one" tabindex="-1">one</a>
+            <a class="dropdown-item" href="#two" tabindex="-1">two</a>
+            <div class="dropdown-divider"></div>
+            <a class="dropdown-item" href="#three" tabindex="-1">three</a>
+          </div>
+        </li>
+      </ul>
     </div>
   </nav>
 
+
   <h2 id="fat">@fat</h2>
   <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
   <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
diff --git a/js/tests/visual/tab.html b/js/tests/visual/tab.html
index ff6685fede..22a918ed75 100644
--- a/js/tests/visual/tab.html
+++ b/js/tests/visual/tab.html
@@ -35,14 +35,14 @@
   <h4>Tabs without fade</h4>
 
   <ul id="myTab" class="nav nav-tabs">
-    <li class="active nav-item"><a href="#home" class="nav-link" data-toggle="tab">Home</a></li>
+    <li class="nav-item"><a href="#home" class="nav-link active" data-toggle="tab">Home</a></li>
     <li class="nav-item"><a href="#profile" data-toggle="tab" class="nav-link">Profile</a></li>
     <li class="dropdown nav-item">
       <a href="#" id="myTabDrop1" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
-      <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop1">
-        <li><a href="#dropdown1" tabindex="-1" data-toggle="tab">@fat</a></li>
-        <li><a href="#dropdown2" tabindex="-1" data-toggle="tab">@mdo</a></li>
-      </ul>
+      <div class="dropdown-menu" role="menu" aria-labelledby="myTabDrop1">
+        <a class="dropdown-item" href="#dropdown1" tabindex="-1" data-toggle="tab">@fat</a>
+        <a class="dropdown-item" href="#dropdown2" tabindex="-1" data-toggle="tab">@mdo</a>
+      </div>
     </li>
   </ul>
   <div id="myTabContent" class="tab-content">
@@ -67,14 +67,14 @@
   <h4>Tabs with fade</h4>
 
   <ul id="myTab1" class="nav nav-tabs">
-    <li class="active nav-item"><a class="nav-link" href="#home1" data-toggle="tab">Home</a></li>
+    <li class="nav-item"><a class="nav-link active" href="#home1" data-toggle="tab">Home</a></li>
     <li class="nav-item"><a class="nav-link" href="#profile1" data-toggle="tab">Profile</a></li>
     <li class="dropdown nav-item">
       <a href="#" id="myTabDrop2" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
-      <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop2">
-        <li><a href="#dropdown1-1" tabindex="-1" data-toggle="tab">@fat</a></li>
-        <li><a href="#dropdown1-2" tabindex="-1" data-toggle="tab">@mdo</a></li>
-      </ul>
+      <div class="dropdown-menu" role="menu" aria-labelledby="myTabDrop2">
+        <a class="dropdown-item" href="#dropdown1-1" tabindex="-1" data-toggle="tab">@fat</a>
+        <a class="dropdown-item" href="#dropdown1-2" tabindex="-1" data-toggle="tab">@mdo</a>
+      </div>
     </li>
   </ul>
   <div id="myTabContent1" class="tab-content">
@@ -103,10 +103,10 @@
     <li class="nav-item"><a class="nav-link" href="#profile2" data-toggle="tab">Profile</a></li>
     <li class="dropdown nav-item">
       <a href="#" id="myTabDrop3" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
-      <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop3">
-        <li><a href="#dropdown2-1" tabindex="-1" data-toggle="tab">@fat</a></li>
-        <li><a href="#dropdown2-2" tabindex="-1" data-toggle="tab">@mdo</a></li>
-      </ul>
+      <div class="dropdown-menu" role="menu" aria-labelledby="myTabDrop3">
+        <a class="dropdown-item" href="#dropdown2-1" tabindex="-1" data-toggle="tab">@fat</a>
+        <a class="dropdown-item" href="#dropdown2-2" tabindex="-1" data-toggle="tab">@mdo</a>
+      </div>
     </li>
   </ul>
   <div id="myTabContent2" class="tab-content">
@@ -135,10 +135,10 @@
     <li class="nav-item"><a class="nav-link" href="#profile3" data-toggle="tab">Profile</a></li>
     <li class="dropdown nav-item">
       <a href="#" id="myTabDrop4" class="dropdown-toggle nav-link" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
-      <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop4">
-        <li><a href="#dropdown3-1" tabindex="-1" data-toggle="tab">@fat</a></li>
-        <li><a href="#dropdown3-2" tabindex="-1" data-toggle="tab">@mdo</a></li>
-      </ul>
+      <div class="dropdown-menu" role="menu" aria-labelledby="myTabDrop4">
+        <a class="dropdown-item" href="#dropdown3-1" tabindex="-1" data-toggle="tab">@fat</a>
+        <a class="dropdown-item" href="#dropdown3-2" tabindex="-1" data-toggle="tab">@mdo</a>
+      </div>
     </li>
   </ul>
   <div id="myTabContent3" class="tab-content">