Bootstrap v3.3.6 Dropdown not working with mobile menu

http://stackoverflow.com/questions/37251486/bootstrap-v3-3-6-dropdown-not-working-with-mobile-menu

by fido3993

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<nav class="navbar navbar-default">
  <div class="container-fluid">
  <div class="navbar-header">
    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
      <span class="sr-only">Toggle navigation</span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="#"></a>
  </div>
  <div class="collapse navbar-collapse"><!-- Start Navbar collapse-->
    <ul class="nav navbar-nav">
           <li class="hidden">
              <a href="#page-top"></a>
           </li>
           <li>
              <a id="translate0" class="page-scroll move" href="#home">Home</a>
           </li>
           <li class="dropdown">
                <a id="translate01" href="#" class="dropdown-toggle move multiselect" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Product<span class="caret"></span></a>
                <ul class="dropdown-menu" role="menu">
                   <li><a class="page-scroll move" href="#product">Description</a></li>
                   <li role="separator" class="divider"></li>
                   <li><a id="translate39" class="page-scroll move" href="#compat">Compatibility</a></li>
                </ul>    
           </li>
           <li><a id="translate02" class="page-scroll move" href="#diapo">Gallery</a></li>
           <li><a id="translate03" class="page-scroll move" href="#team">Founder</a></li>
           <li><a class="page-scroll move" href="#contact">Contact</a></li>
           <li><a id="popup" class="move" href="javascript://">Shop</a></li>
           <li><a class="forum move" href="/forum/index.php" target="_blank">Forum</a></li>
        </ul>
    <ul class="nav navbar-nav...