Issue 2838 - top navigation links don't open on left click

static/js/main.js

 "use strict";
 
 (function()
 {
   function escapeRegExp(string)
   {
     return string.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
   }
 
   function hasClass(element, className)
@@ skipping 53 matching lines @@
       stopPropagation(event);
     };
   }
 
   function navigationClick(event)
   {
     var element = event.target;
     while (true)
     {
       if (!element)
-        return false;
+        return;
 
       if (hasClass(element, "selected") || element.id == "hamburger")
       {
         if ("querySelector" in document)
         {
           event.preventDefault();
           toggleClass(document.querySelector("header nav > ul"), "visible");
         }
         return false;
       }  
@@ skipping 26 matching lines @@
     {
       var section = footerNavSections[i];
       initFooterSection(section);
     }
   }
 
   initLanguageSelection();
   initMenu();
   initFooter();
 })();