[css] Twitter Bootstrap dropdown menu

I'm trying to use Twitter Bootstrap's dropdown menu in its top nav bar. You can see an example working here. http://twitter.github.com/bootstrap/#

In mine, the arrow indicating that it's a dropdown shows on the menu but when I hover or click on it it doesn't reveal my dropdown links. I think I've included all the necessary classes, and I don't believe Twitter's requires javascript.

Can you see what I'm doing wrong?

My dropdown

  <div class='topbar' data-dropdown="dropdown">

  <div class='fill'>
    <div class='container'>
    <ul class="nav">

      <li><%= link_to 'Home', main_app.root_path %></li>
          <li><%= link_to 'Outlines', main_app.outlines_path %></li>
       <li class="dropdown">
        <a href="#" class="dropdown-toggle">Assessment</a>
        <ul class="dropdown-menu">
        <li><a href="#">second link </a></li>
        <li><a href="#">third link </a></li>
        </ul>
      </li>

  ..... I go on to close all the divs etc. The nav bar looks great but the dropdown just doesn't work. 

Twitter Bootstrap

<div class="topbar" data-dropdown="dropdown">
  <div class="topbar-inner">
    <div class="container">
      <h3><a href="#">Project Name</a></h3>
      <ul class="nav">
        <li class="active"><a href="#">Home</a></li>
        <li><a href="#">Link</a></li>
        <li><a href="#">Link</a></li>
        <li><a href="#">Link</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle">Dropdown</a>
          <ul class="dropdown-menu">
            <li><a href="#">Secondary link</a></li>
            <li><a href="#">Something else here</a></li>
            <li class="divider"></li>
            <li><a href="#">Another link</a></li>
          </ul>
        </li>
      </ul>
      <form class="pull-left" action="">
        <input type="text" placeholder="Search">
      </form>
      <ul class="nav secondary-nav">
        <li class="dropdown">
          <a href="#" class="dropdown-toggle">Dropdown</a>
          <ul class="dropdown-menu">
            <li><a href="#">Secondary link</a></li>
            <li><a href="#">Something else here</a></li>
            <li class="divider"></li>
            <li><a href="#">Another link</a></li>
          </ul>
        </li>
      </ul>
    </div>
  </div><!-- /topbar-inner -->
</div>

This question is related to css twitter-bootstrap

The answer is


<!DOCTYPE html>
<html lang="en">
<head>
    <!-- core CSS -->
    <link href="http://webdesign9.in/css/bootstrap.min.css" rel="stylesheet">
    <link href="http://webdesign9.in/css/font-awesome.min.css" rel="stylesheet">
    <link href="http://webdesign9.in/css/responsive.css" rel="stylesheet">
    <!--[if lt IE 9]>
    <script src="js/html5shiv.js"></script>
    <script src="js/respond.min.js"></script>
    <![endif]-->       
</head><!--/head-->
<body class="homepage">
    <header id="header">
        <nav class="navbar navbar-inverse" role="banner">
            <div class="container">
                <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" title="Web Design Company in Mumbai" href="index.php"><img src="images/logo.png" alt="The Best Web Design Company in Mumbai" /></a>
                </div>
                <div class="collapse navbar-collapse navbar-right">
                    <ul class="nav navbar-nav">
                        <li class="active"><a href="index.php">Home</a></li>
                        <li><a href="about.php">About Us</a></li>
                        <li><a href="services.php">Services</a></li>
                        <li><a href="term-condition.php">Terms &amp; Condition</a></li></li>
                        <li><a href="contact.php">Contact</a></li>                        
                    </ul>
                </div>
            </div><!--/.container-->
        </nav><!--/nav-->
    </header><!--/header-->
    <script src="http://webdesign9.in/js/jquery.js"></script>
    <script src="http://webdesign9.in/js/bootstrap.min.js"></script>
</body>
</html>

I had a similar problem and it was the version of bootstrap.js included in my visual studio project. I linked to here and it worked great

 <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>

<script type="text/javascript" src="http://twitter.github.com/bootstrap/assets/js/bootstrap-dropdown.js"></script>

It's also possible to customise your bootstrap build by using:

http://twitter.github.com/bootstrap/customize.html

All the plugins are included by default.


You must include jQuery in the project.

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

I didn't find any doc about this so I just opened a random code example from tutorialrepublic.com http://www.tutorialrepublic.com/twitter-bootstrap-tutorial/bootstrap-dropdowns.php

Hope this helps someone else.