Version 2.1.4

```
* [Changed] Don't setup nav toggle JavaScript when there's no menu
```

CHANGELOG.md

@@ -8,6 +8,13 @@ Pico Default Theme Changelog
           refer to both the UPGRADE and NEWS sections of the docs for more
           details.
 
+### Version 2.1.4
+Released: 2020-08-29
+
+```
+* [Changed] Don't setup nav toggle JavaScript when there's no menu
+```
+
 ### Version 2.1.3
 Released: 2020-07-10
 

js/pico.js

@@ -28,10 +28,12 @@ function main()
 
     // responsive menu
     var menu = document.getElementById('nav'),
-        menuToggle = document.getElementById('nav-toggle'),
+        menuToggle = document.getElementById('nav-toggle');
-        toggleMenuEvent = function (event) {
+
+    if (menu && menuToggle) {
+        function toggleMenuEvent(event) {
             if (event.type === 'keydown') {
-                if ((event.keyCode != 13) && (event.keyCode != 32)) {
+                if ((event.keyCode !== 13) && (event.keyCode !== 32)) {
                     return;
                 }
             }
@@ -49,8 +51,9 @@ function main()
                 menuToggle.setAttribute('aria-expanded', 'false');
                 utils.slideUp(menu);
             }
-        },
+        }
-        onResizeEvent = function () {
+
+        function onResizeEvent() {
             if (utils.isElementVisible(menuToggle)) {
                 menu.className = 'hidden';
                 menuToggle.addEventListener('click', toggleMenuEvent);
@@ -61,10 +64,11 @@ function main()
                 menuToggle.removeEventListener('click', toggleMenuEvent);
                 menuToggle.removeEventListener('keydown', toggleMenuEvent);
             }
-        };
+        }
 
-    window.addEventListener('resize', onResizeEvent);
+        window.addEventListener('resize', onResizeEvent);
-    onResizeEvent();
+        onResizeEvent();
+    }
 }
 
 main();