diff --git a/javascript.html b/javascript.html
index 6b7fc3fc34..1d4604afc4 100644
--- a/javascript.html
+++ b/javascript.html
@@ -543,10 +543,10 @@ $('#myDropdown').on('show.bs.dropdown', function () {
             <li class="dropdown">
               <a href="#" id="navbarDrop1" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
               <ul class="dropdown-menu" role="menu" aria-labelledby="navbarDrop1">
-                <li><a href="#one">one</a></li>
-                <li><a href="#two">two</a></li>
+                <li><a href="#one" tabindex="-1">one</a></li>
+                <li><a href="#two" tabindex="-1">two</a></li>
                 <li class="divider"></li>
-                <li><a href="#three">three</a></li>
+                <li><a href="#three" tabindex="-1">three</a></li>
               </ul>
             </li>
           </ul>
@@ -665,8 +665,8 @@ $('#myScrollspy').on('activate.bs.scrollspy', function () {
         <li class="dropdown">
           <a href="#" id="myTabDrop1" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
           <ul class="dropdown-menu" role="menu" aria-labelledby="myTabDrop1">
-            <li><a href="#dropdown1" data-toggle="tab">@fat</a></li>
-            <li><a href="#dropdown2" data-toggle="tab">@mdo</a></li>
+            <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>
         </li>
       </ul>
diff --git a/js/dropdown.js b/js/dropdown.js
index d675cab320..69bbd802ca 100644
--- a/js/dropdown.js
+++ b/js/dropdown.js
@@ -60,7 +60,7 @@
   }
 
   Dropdown.prototype.keydown = function (e) {
-    if (!/(9|38|40|27)/.test(e.keyCode)) return
+    if (!/(38|40|27)/.test(e.keyCode)) return
 
     var $this = $(this)