javascript.html

---
layout: default
title: JavaScript
slug: js
lead: "Bring Bootstrap's components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one."
base_url: "../"
---


  <!-- Overview
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="js-overview">Overview</h1>
    </div>

    <h3 id="js-individual-compiled">Individual or compiled</h3>
    <p>Plugins can be included individually (using Bootstrap's individual <code>*.js</code> files), or all at once (using <code>bootstrap.js</code> or the minified <code>bootstrap.min.js</code>).</p>

    <div class="bs-callout bs-callout-danger">
      <h4>Do not attempt to include both.</h4>
      <p>Both <code>bootstrap.js</code> and <code>bootstrap.min.js</code> contain all plugins in a single file.</p>
    </div>

    <div class="bs-callout bs-callout-danger">
      <h4>Plugin dependencies</h4>
      <p>Some plugins and CSS components depend on other plugins. If you include plugins individually, make sure to check for these dependencies in the docs. Also note that all plugins depend on jQuery (this means jQuery must be included <strong>before</strong> the plugin files).</p>
    </div>

    <h3 id="js-data-attrs">Data attributes</h3>
    <p>You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap's first-class API and should be your first consideration when using a plugin.</p>

    <p>That said, in some situations it may be desirable to turn this functionality off. Therefore, we also provide the ability to disable the data attribute API by unbinding all events on the document namespaced with <code>data-api</code>. This looks like this:
{% highlight js %}
$(document).off('.data-api')
{% endhighlight %}

    <p>Alternatively, to target a specific plugin, just include the plugin's name as a namespace along with the data-api namespace like this:</p>
{% highlight js %}
$(document).off('.alert.data-api')
{% endhighlight %}

    <h3 id="js-programmatic-api">Programmatic API</h3>
    <p>We also believe you should be able to use all Bootstrap plugins purely through the JavaScript API. All public APIs are single, chainable methods, and return the collection acted upon.</p>
{% highlight js %}
$(".btn.danger").button("toggle").addClass("fat")
{% endhighlight %}

    <p>All methods should accept an optional options object, a string which targets a particular method, or nothing (which initiates a plugin with default behavior):</p>
{% highlight js %}
$("#myModal").modal()                      // initialized with defaults
$("#myModal").modal({ keyboard: false })   // initialized with no keyboard
$("#myModal").modal('show')                // initializes and invokes show immediately</p>
{% endhighlight %}

    <p>Each plugin also exposes its raw constructor on a <code>Constructor</code> property: <code>$.fn.popover.Constructor</code>. If you'd like to get a particular plugin instance, retrieve it directly from an element: <code>$('[rel=popover]').data('popover')</code>.</p>

    <h3 id="js-noconflict">No conflict</h3>
    <p>Sometimes it is necessary to use Bootstrap plugins with other UI frameworks. In these circumstances, namespace collisions can occasionally occur. If this happens, you may call <code>.noConflict</code> on the plugin you wish to revert the value of.</p>
{% highlight js %}
var bootstrapButton = $.fn.button.noConflict() // return $.fn.button to previously assigned value
$.fn.bootstrapBtn = bootstrapButton            // give $().bootstrapBtn the Bootstrap functionality
{% endhighlight %}

    <h3 id="js-events">Events</h3>
    <p>Bootstrap provides custom events for most plugin's unique actions. Generally, these come in an infinitive and past participle form - where the infinitive (ex. <code>show</code>) is triggered at the start of an event, and its past participle form (ex. <code>shown</code>) is trigger on the completion of an action.</p>
    <p>As of 3.0.0, all Bootstrap events are namespaced.</p>
    <p>All infinitive events provide <code>preventDefault</code> functionality. This provides the ability to stop the execution of an action before it starts.</p>
{% highlight js %}
$('#myModal').on('show.bs.modal', function (e) {
  if (!data) return e.preventDefault() // stops modal from being shown
})
{% endhighlight %}

    <div class="bs-callout bs-callout-warning" id="callout-third-party-libs">
      <h4>Third-party libraries</h4>
      <p><strong>Bootstrap does not officially support third-party JavaScript libraries</strong> like Prototype or jQuery UI. Despite <code>.noConflict</code> and namespaced events, there may be compatibility problems that you need to fix on your own. Ask on the <a href="http://groups.google.com/group/twitter-bootstrap">mailing list</a> if you need help.</p>
    </div>
  </div>



  <!-- Transitions
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="transitions">Transitions <small>transition.js</small></h1>
    </div>
    <h3>About transitions</h3>
    <p>For simple transition effects, include <code>transition.js</code> once alongside the other JS files. If you're using the compiled (or minified) <code>bootstrap.js</code>, there is no need to include this&mdash;it's already there.</p>
    <h3>What's inside</h3>
    <p>Transition.js is a basic helper for <code>transitionEnd</code> events as well as a CSS transition emulator. It's used by the other plugins to check for CSS transition support and to catch hanging transitions.</p>
  </div>



  <!-- Modal
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="modals">Modals <small>modal.js</small></h1>
    </div>

    <h2 id="modals-examples">Examples</h2>
    <p>Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.</p>

    <h3>Static example</h3>
    <p>A rendered modal with header, body, and set of actions in the footer.</p>
    <div class="bs-example bs-example-modal">
      <div class="modal">
        <div class="modal-dialog">
          <div class="modal-content">
            <div class="modal-header">
              <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
              <h4 class="modal-title">Modal title</h4>
            </div>
            <div class="modal-body">
              <p>One fine body&hellip;</p>
            </div>
            <div class="modal-footer">
              <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
              <button type="button" class="btn btn-primary">Save changes</button>
            </div>
          </div><!-- /.modal-content -->
        </div><!-- /.modal-dialog -->
      </div><!-- /.modal -->
    </div><!-- /example -->
{% highlight html %}
<div class="modal fade">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
        <h4 class="modal-title">Modal title</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal -->
{% endhighlight %}

    <h3>Live demo</h3>
    <p>Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.</p>
    <!-- sample modal content -->
    <div id="myModal" class="modal fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
      <div class="modal-dialog">
        <div class="modal-content">

          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
            <h4 class="modal-title" id="myModalLabel">Modal Heading</h4>
          </div>
          <div class="modal-body">
            <h4>Text in a modal</h4>
            <p>Duis mollis, est non commodo luctus, nisi erat porttitor ligula.</p>

            <h4>Popover in a modal</h4>
            <p>This <a href="#" role="button" class="btn btn-default popover-test" title="A Title" data-content="And here's some amazing content. It's very engaging. right?">button</a> should trigger a popover on click.</p>

            <h4>Tooltips in a modal</h4>
            <p><a href="#" class="tooltip-test" title="Tooltip">This link</a> and <a href="#" class="tooltip-test" title="Tooltip">that link</a> should have tooltips on hover.</p>

            <hr>

            <h4>Overflowing text to show scroll behavior</h4>
            <p>Cras mattis consectetur purus sit amet fermentum. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Morbi leo risus, porta ac consectetur ac, vestibulum at eros.</p>
            <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor.</p>
            <p>Aenean lacinia bibendum nulla sed consectetur. Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Donec sed odio dui. Donec ullamcorper nulla non metus auctor fringilla.</p>
            <p>Cras mattis consectetur purus sit amet fermentum. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Morbi leo risus, porta ac consectetur ac, vestibulum at eros.</p>
            <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor.</p>
            <p>Aenean lacinia bibendum nulla sed consectetur. Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Donec sed odio dui. Donec ullamcorper nulla non metus auctor fringilla.</p>
            <p>Cras mattis consectetur purus sit amet fermentum. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Morbi leo risus, porta ac consectetur ac, vestibulum at eros.</p>
            <p>Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Vivamus sagittis lacus vel augue laoreet rutrum faucibus dolor auctor.</p>
            <p>Aenean lacinia bibendum nulla sed consectetur. Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Donec sed odio dui. Donec ullamcorper nulla non metus auctor fringilla.</p>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
            <button type="button" class="btn btn-primary">Save changes</button>
          </div>

        </div><!-- /.modal-content -->
      </div><!-- /.modal-dialog -->
    </div><!-- /.modal -->

    <div class="bs-example" style="padding-bottom: 24px;">
      <a data-toggle="modal" href="#myModal" class="btn btn-primary btn-lg">Launch demo modal</a>
    </div><!-- /example -->
{% highlight html %}
  <!-- Button trigger modal -->
  <a data-toggle="modal" href="#myModal" class="btn btn-primary btn-lg">Launch demo modal</a>

  <!-- Modal -->
  <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
          <h4 class="modal-title">Modal title</h4>
        </div>
        <div class="modal-body">
          ...
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
          <button type="button" class="btn btn-primary">Save changes</button>
        </div>
      </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
  </div><!-- /.modal -->
{% endhighlight %}


    <div class="bs-callout bs-callout-warning">
      <h4>Make modals accessible</h4>
      <p>
        Be sure to add <code>role="dialog"</code> to your primary modal div. In the example above, <code>div#myModal</code>.<br>
        Also, the <code>aria-labelledby</code> attribute references your modal title. In this example, <code>h4#myModalLabel</code>.<br>
        Finally, <code>aria-hidden="true"</code> tells assistive technologies to skip DOM elements.<br>
        Additionally, you may give a description of your modal dialog. Use the <code>aria-describedby</code> attribute in the modal's primary <code>&lt;div&gt;</code> to point to this description (this is not shown in the above example).
      </p>
    </div>

    <h2 id="modals-usage">Usage</h2>

    <h3>Via data attributes</h3>
    <p>Activate a modal without writing JavaScript. Set <code>data-toggle="modal"</code> on a controller element, like a button, along with a <code>data-target="#foo"</code> or <code>href="#foo"</code> to target a specific modal to toggle.</p>
{% highlight html %}
<button type="button" data-toggle="modal" data-target="#myModal">Launch modal</button>
{% endhighlight %}

    <h3>Via JavaScript</h3>
    <p>Call a modal with id <code>myModal</code> with a single line of JavaScript:</p>
    {% highlight js %}$('#myModal').modal(options){% endhighlight %}

    <h3>Options</h3>
    <p>Options can be passed via data attributes or JavaScript. For data attributes, append the option name to <code>data-</code>, as in <code>data-backdrop=""</code>.</p>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 100px;">Name</th>
           <th style="width: 50px;">type</th>
           <th style="width: 50px;">default</th>
           <th>description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>backdrop</td>
           <td>boolean</td>
           <td>true</td>
           <td>Includes a modal-backdrop element. Alternatively, specify <code>static</code> for a backdrop which doesn't close the modal on click.</td>
         </tr>
         <tr>
           <td>keyboard</td>
           <td>boolean</td>
           <td>true</td>
           <td>Closes the modal when escape key is pressed</td>
         </tr>
         <tr>
           <td>show</td>
           <td>boolean</td>
           <td>true</td>
           <td>Shows the modal when initialized.</td>
         </tr>
         <tr>
           <td>remote</td>
           <td>path</td>
           <td>false</td>
           <td><p>If a remote URL is provided, content will be loaded via jQuery's <code>load</code> method and injected into the root of the modal element. If you're using the data api, you may alternatively use the <code>href</code> attribute to specify the remote source. An example of this is shown below:</p>
{% highlight html %}
<a data-toggle="modal" href="remote.html" data-target="#modal">Click me</a>
{% endhighlight %}
         </tr>
        </tbody>
      </table>
    </div><!-- /.bs-table-scrollable -->

    <h3>Methods</h3>

    <h4>.modal(options)</h4>
    <p>Activates your content as a modal. Accepts an optional options <code>object</code>.</p>
{% highlight js %}
$('#myModal').modal({
  keyboard: false
})
{% endhighlight %}

    <h4>.modal('toggle')</h4>
    <p>Manually toggles a modal.</p>
    {% highlight js %}$('#myModal').modal('toggle'){% endhighlight %}

    <h4>.modal('show')</h4>
    <p>Manually opens a modal.</p>
    {% highlight js %}$('#myModal').modal('show'){% endhighlight %}

    <h4>.modal('hide')</h4>
    <p>Manually hides a modal.</p>
    {% highlight js %}$('#myModal').modal('hide'){% endhighlight %}

    <h3>Events</h3>
    <p>Bootstrap's modal class exposes a few events for hooking into modal functionality.</p>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 150px;">Event Type</th>
           <th>Description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>show.bs.modal</td>
           <td>This event fires immediately when the <code>show</code> instance method is called.</td>
         </tr>
         <tr>
           <td>shown.bs.modal</td>
           <td>This event is fired when the modal has been made visible to the user (will wait for CSS transitions to complete).</td>
         </tr>
         <tr>
           <td>hide.bs.modal</td>
           <td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
         </tr>
         <tr>
           <td>hidden.bs.modal</td>
           <td>This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete).</td>
         </tr>
        </tbody>
      </table>
    </div><!-- /.bs-table-scrollable -->
{% highlight js %}
$('#myModal').on('hidden.bs.modal', function () {
  // do something…
})
{% endhighlight %}
  </div>



  <!-- Dropdowns
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="dropdowns">Dropdowns <small>dropdown.js</small></h1>
    </div>

    <h2 id="dropdowns-examples">Examples</h2>
    <p>Add dropdown menus to nearly anything with this simple plugin, including the navbar, tabs, and pills.</p>

    <h3>Within a navbar</h3>
    <div class="bs-example">
      <nav id="navbar-example" class="navbar navbar-static" role="navigation">
        <div class="navbar-header">
          <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".bs-js-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="#">Project Name</a>
        </div>
        <div class="collapse navbar-collapse bs-js-navbar-collapse">
          <ul class="nav navbar-nav">
            <li class="dropdown">
              <a id="drop1" href="#" role="button" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
              <ul class="dropdown-menu" role="menu" aria-labelledby="drop1">
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
                <li role="presentation" class="divider"></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
              </ul>
            </li>
            <li class="dropdown">
              <a href="#" id="drop2" role="button" class="dropdown-toggle" data-toggle="dropdown">Dropdown 2 <b class="caret"></b></a>
              <ul class="dropdown-menu" role="menu" aria-labelledby="drop2">
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
                <li role="presentation" class="divider"></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
              </ul>
            </li>
          </ul>
          <ul class="nav navbar-nav navbar-right">
            <li id="fat-menu" class="dropdown">
              <a href="#" id="drop3" role="button" class="dropdown-toggle" data-toggle="dropdown">Dropdown 3 <b class="caret"></b></a>
              <ul class="dropdown-menu" role="menu" aria-labelledby="drop3">
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
                <li role="presentation" class="divider"></li>
                <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
              </ul>
            </li>
          </ul>
        </div><!-- /.nav-collapse -->
      </nav> <!-- /navbar-example -->
    </div> <!-- /example -->

    <h3>Within tabs</h3>
    <div class="bs-example">
      <ul class="nav nav-pills">
        <li class="active"><a href="#">Regular link</a></li>
        <li class="dropdown">
          <a id="drop4" role="button" data-toggle="dropdown" href="#">Dropdown <b class="caret"></b></a>
          <ul id="menu1" class="dropdown-menu" role="menu" aria-labelledby="drop4">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
            <li role="presentation" class="divider"></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
          </ul>
        </li>
        <li class="dropdown">
          <a id="drop5" role="button" data-toggle="dropdown" href="#">Dropdown 2 <b class="caret"></b></a>
          <ul id="menu2" class="dropdown-menu" role="menu" aria-labelledby="drop5">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
            <li role="presentation" class="divider"></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
          </ul>
        </li>
        <li class="dropdown">
          <a id="drop6" role="button" data-toggle="dropdown" href="#">Dropdown 3 <b class="caret"></b></a>
          <ul id="menu3" class="dropdown-menu" role="menu" aria-labelledby="drop6">
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Another action</a></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Something else here</a></li>
            <li role="presentation" class="divider"></li>
            <li role="presentation"><a role="menuitem" tabindex="-1" href="http://twitter.com/fat">Separated link</a></li>
          </ul>
        </li>
      </ul> <!-- /tabs -->
    </div> <!-- /example -->


    <h2 id="dropdowns-usage">Usage</h2>

    <h3>Via data attributes</h3>
    <p>Add <code>data-toggle="dropdown"</code> to a link or button to toggle a dropdown.</p>
{% highlight html %}
<div class="dropdown">
  <a data-toggle="dropdown" href="#">Dropdown trigger</a>
  <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
    ...
  </ul>
</div>
{% endhighlight %}
          <p>To keep URLs intact, use the <code>data-target</code> attribute instead of <code>href="#"</code>.</p>
{% highlight html %}
<div class="dropdown">
  <a id="dLabel" role="button" data-toggle="dropdown" data-target="#" href="/page.html">
    Dropdown <span class="caret"></span>
  </a>
  <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
    ...
  </ul>
</div>
{% endhighlight %}

    <h3>Via JavaScript</h3>
    <p>Call the dropdowns via JavaScript:</p>
{% highlight js %}
$('.dropdown-toggle').dropdown()
{% endhighlight %}

    <h3>Options</h3>
    <p><em>None</em></p>

    <h3>Methods</h3>
    <h4>$().dropdown('toggle')</h4>
    <p>Toggles the dropdown menu of a given navbar or tabbed navigation.</p>

    <h3>Events</h3>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
          <tr>
            <th style="width: 150px;">Event Type</th>
            <th>Description</th>
          </tr>
        </thead>
        <tbody>
          <tr>
            <td>show.bs.dropdown</td>
            <td>This event fires immediately when the show instance method is called.</td>
          </tr>
          <tr>
            <td>shown.bs.dropdown</td>
            <td>This event is fired when the dropdown has been made visible to the user (will wait for CSS transitions, to complete).</td>
          </tr>
          <tr>
            <td>hide.bs.dropdown</td>
            <td>This event is fired immediately when the hide instance method has been called.</td>
          </tr>
          <tr>
            <td>hidden.bs.dropdown</td>
            <td>This event is fired when the dropdown has finished being hidden from the user (will wait for CSS transitions, to complete).</td>
          </tr>
        </tbody>
      </table>
    </div><!-- ./bs-table-scrollable -->
{% highlight js %}
$('#myDropdown').on('show.bs.dropdown', function () {
  // do something…
})
{% endhighlight %}
  </div>

  <!-- ScrollSpy
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="scrollspy">ScrollSpy <small>scrollspy.js</small></h1>
    </div>


    <h2 id="scrollspy-examples">Example in navbar</h2>
    <p>The ScrollSpy plugin is for automatically updating nav targets based on scroll position. Scroll the area below the navbar and watch the active class change. The dropdown sub items will be highlighted as well.</p>
    <div class="bs-example">
      <nav id="navbar-example2" class="navbar navbar-static" role="navigation">
        <div class="navbar-header">
          <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".bs-js-navbar-scrollspy">
            <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="#">Project Name</a>
        </div>
        <div class="collapse navbar-collapse bs-js-navbar-scrollspy">
          <ul class="nav navbar-nav">
            <li><a href="#fat">@fat</a></li>
            <li><a href="#mdo">@mdo</a></li>
            <li class="dropdown">
              <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
              <ul class="dropdown-menu">
                <li><a href="#one">one</a></li>
                <li><a href="#two">two</a></li>
                <li class="divider"></li>
                <li><a href="#three">three</a></li>
              </ul>
            </li>
          </ul>
        </div>
      </nav>
      <div data-spy="scroll" data-target="#navbar-example2" data-offset="0" class="scrollspy-example">
        <h4 id="fat">@fat</h4>
        <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
        <h4 id="mdo">@mdo</h4>
        <p>Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard. Freegan beard aliqua cupidatat mcsweeney's vero. Cupidatat four loko nisi, ea helvetica nulla carles. Tattooed cosby sweater food truck, mcsweeney's quis non freegan vinyl. Lo-fi wes anderson +1 sartorial. Carles non aesthetic exercitation quis gentrify. Brooklyn adipisicing craft beer vice keytar deserunt.</p>
        <h4 id="one">one</h4>
        <p>Occaecat commodo aliqua delectus. Fap craft beer deserunt skateboard ea. Lomo bicycle rights adipisicing banh mi, velit ea sunt next level locavore single-origin coffee in magna veniam. High life id vinyl, echo park consequat quis aliquip banh mi pitchfork. Vero VHS est adipisicing. Consectetur nisi DIY minim messenger bag. Cred ex in, sustainable delectus consectetur fanny pack iphone.</p>
        <h4 id="two">two</h4>
        <p>In incididunt echo park, officia deserunt mcsweeney's proident master cleanse thundercats sapiente veniam. Excepteur VHS elit, proident shoreditch +1 biodiesel laborum craft beer. Single-origin coffee wayfarers irure four loko, cupidatat terry richardson master cleanse. Assumenda you probably haven't heard of them art party fanny pack, tattooed nulla cardigan tempor ad. Proident wolf nesciunt sartorial keffiyeh eu banh mi sustainable. Elit wolf voluptate, lo-fi ea portland before they sold out four loko. Locavore enim nostrud mlkshk brooklyn nesciunt.</p>
        <h4 id="three">three</h4>
        <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
        <p>Keytar twee blog, culpa messenger bag marfa whatever delectus food truck. Sapiente synth id assumenda. Locavore sed helvetica cliche irony, thundercats you probably haven't heard of them consequat hoodie gluten-free lo-fi fap aliquip. Labore elit placeat before they sold out, terry richardson proident brunch nesciunt quis cosby sweater pariatur keffiyeh ut helvetica artisan. Cardigan craft beer seitan readymade velit. VHS chambray laboris tempor veniam. Anim mollit minim commodo ullamco thundercats.
        </p>
      </div>
    </div><!-- /example -->


    <h2 id="scrollspy-usage">Usage</h2>

    <h3>Via data attributes</h3>
    <p>To easily add scrollspy behavior to your topbar navigation, add <code>data-spy="scroll"</code> to the element you want to spy on (most typically this would be the <code>&lt;body&gt;</code>. Then add the <code>data-target</code> attribute with the ID or class of the parent element of any Bootstrap <code>.nav</code> component.</p>
{% highlight html %}
<body data-spy="scroll" data-target="#navbar-example">
  ...
</body>
{% endhighlight %}

    <h3>Via JavaScript</h3>
    <p>Call the scrollspy via JavaScript:</p>
{% highlight js %}
$('body').scrollspy({ target: '#navbar-example' })
{% endhighlight %}

    <div class="bs-callout bs-callout-danger">
      <h4>Resolvable ID targets required</h4>
      <p>Navbar links must have resolvable id targets. For example, a <code>&lt;a href="#home"&gt;home&lt;/a&gt;</code> must correspond to something in the DOM like <code>&lt;div id="home"&gt;&lt;/div&gt;</code>.</p>
    </div>

    <h3>Methods</h3>
    <h4>.scrollspy('refresh')</h4>
    <p>When using scrollspy in conjunction with adding or removing of elements from the DOM, you'll need to call the refresh method like so:</p>
{% highlight js %}
$('[data-spy="scroll"]').each(function () {
  var $spy = $(this).scrollspy('refresh')
})
{% endhighlight %}


    <h3>Options</h3>
    <p>Options can be passed via data attributes or JavaScript. For data attributes, append the option name to <code>data-</code>, as in <code>data-offset=""</code>.</p>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 100px;">Name</th>
           <th style="width: 100px;">type</th>
           <th style="width: 50px;">default</th>
           <th>description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>offset</td>
           <td>number</td>
           <td>10</td>
           <td>Pixels to offset from top when calculating position of scroll.</td>
         </tr>
        </tbody>
      </table>
    </div><!-- ./bs-table-scrollable -->

    <h3>Events</h3>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 150px;">Event Type</th>
           <th>Description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>activate.bs.scrollspy</td>
           <td>This event fires whenever a new item becomes activated by the scrollspy.</td>
        </tr>
        </tbody>
      </table>
    </div><!-- ./bs-table-scrollable -->
{% highlight js %}
$('#myScrollspy').on('activate.bs.scrollspy', function () {
  // do something…
})
{% endhighlight %}
  </div>



  <!-- Tabs
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="tabs">Togglable tabs <small>tab.js</small></h1>
    </div>

    <h2 id="tabs-examples">Example tabs</h2>
    <p>Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus.</p>
    <div class="bs-example bs-example-tabs">
      <ul id="myTab" class="nav nav-tabs">
        <li class="active"><a href="#home" data-toggle="tab">Home</a></li>
        <li><a href="#profile" data-toggle="tab">Profile</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
          <ul class="dropdown-menu">
            <li><a href="#dropdown1" data-toggle="tab">@fat</a></li>
            <li><a href="#dropdown2" data-toggle="tab">@mdo</a></li>
          </ul>
        </li>
      </ul>
      <div id="myTabContent" class="tab-content">
        <div class="tab-pane fade in active" id="home">
          <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
        </div>
        <div class="tab-pane fade" id="profile">
          <p>Food truck fixie locavore, accusamus mcsweeney's marfa nulla single-origin coffee squid. Exercitation +1 labore velit, blog sartorial PBR leggings next level wes anderson artisan four loko farm-to-table craft beer twee. Qui photo booth letterpress, commodo enim craft beer mlkshk aliquip jean shorts ullamco ad vinyl cillum PBR. Homo nostrud organic, assumenda labore aesthetic magna delectus mollit. Keytar helvetica VHS salvia yr, vero magna velit sapiente labore stumptown. Vegan fanny pack odio cillum wes anderson 8-bit, sustainable jean shorts beard ut DIY ethical culpa terry richardson biodiesel. Art party scenester stumptown, tumblr butcher vero sint qui sapiente accusamus tattooed echo park.</p>
        </div>
        <div class="tab-pane fade" id="dropdown1">
          <p>Etsy mixtape wayfarers, ethical wes anderson tofu before they sold out mcsweeney's organic lomo retro fanny pack lo-fi farm-to-table readymade. Messenger bag gentrify pitchfork tattooed craft beer, iphone skateboard locavore carles etsy salvia banksy hoodie helvetica. DIY synth PBR banksy irony. Leggings gentrify squid 8-bit cred pitchfork. Williamsburg banh mi whatever gluten-free, carles pitchfork biodiesel fixie etsy retro mlkshk vice blog. Scenester cred you probably haven't heard of them, vinyl craft beer blog stumptown. Pitchfork sustainable tofu synth chambray yr.</p>
        </div>
        <div class="tab-pane fade" id="dropdown2">
          <p>Trust fund seitan letterpress, keytar raw denim keffiyeh etsy art party before they sold out master cleanse gluten-free squid scenester freegan cosby sweater. Fanny pack portland seitan DIY, art party locavore wolf cliche high life echo park Austin. Cred vinyl keffiyeh DIY salvia PBR, banh mi before they sold out farm-to-table VHS viral locavore cosby sweater. Lomo wolf viral, mustache readymade thundercats keffiyeh craft beer marfa ethical. Wolf salvia freegan, sartorial keffiyeh echo park vegan.</p>
        </div>
      </div>
    </div><!-- /example -->


    <h2 id="tabs-usage">Usage</h2>
    <p>Enable tabbable tabs via JavaScript (each tab needs to be activated individually):</p>
{% highlight js %}
$('#myTab a').click(function (e) {
  e.preventDefault()
  $(this).tab('show')
})
{% endhighlight %}

          <p>You can activate individual tabs in several ways:</p>
{% highlight js %}
$('#myTab a[href="#profile"]').tab('show') // Select tab by name
$('#myTab a:first').tab('show') // Select first tab
$('#myTab a:last').tab('show') // Select last tab
$('#myTab li:eq(2) a').tab('show') // Select third tab (0-indexed)
{% endhighlight %}

    <h3>Markup</h3>
    <p>You can activate a tab or pill navigation without writing any JavaScript by simply specifying <code>data-toggle="tab"</code> or <code>data-toggle="pill"</code> on an element. Adding the <code>nav</code> and <code>nav-tabs</code> classes to the tab <code>ul</code> will apply the Bootstrap tab styling.</p>
{% highlight html %}
<ul class="nav nav-tabs">
  <li><a href="#home" data-toggle="tab">Home</a></li>
  <li><a href="#profile" data-toggle="tab">Profile</a></li>
  <li><a href="#messages" data-toggle="tab">Messages</a></li>
  <li><a href="#settings" data-toggle="tab">Settings</a></li>
</ul>
{% endhighlight %}

    <p>To make tabs fade in, add <code>.fade</code> to each <code>.tab-pane</code>.</p>

    <h3>Methods</h3>
    <h4>$().tab</h4>
    <p>
      Activates a tab element and content container. Tab should have either a <code>data-target</code> or an <code>href</code> targeting a container node in the DOM.
    </p>
{% highlight html %}
<ul class="nav nav-tabs" id="myTab">
  <li class="active"><a href="#home">Home</a></li>
  <li><a href="#profile">Profile</a></li>
  <li><a href="#messages">Messages</a></li>
  <li><a href="#settings">Settings</a></li>
</ul>

<div class="tab-content">
  <div class="tab-pane active" id="home">...</div>
  <div class="tab-pane" id="profile">...</div>
  <div class="tab-pane" id="messages">...</div>
  <div class="tab-pane" id="settings">...</div>
</div>

<script>
  $(function () {
    $('#myTab a:last').tab('show')
  })
</script>
{% endhighlight %}

    <h3>Events</h3>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 150px;">Event Type</th>
           <th>Description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>show.bs.tab</td>
           <td>This event fires on tab show, but before the new tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
        </tr>
        <tr>
           <td>shown.bs.tab</td>
           <td>This event fires on tab show after a tab has been shown. Use <code>event.target</code> and <code>event.relatedTarget</code> to target the active tab and the previous active tab (if available) respectively.</td>
         </tr>
        </tbody>
      </table>
    </div><!-- /.bs-table-scrollable -->
{% highlight js %}
$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
  e.target // activated tab
  e.relatedTarget // previous tab
})
{% endhighlight %}
  </div>



  <!-- Tooltips
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="tooltips">Tooltips <small>tooltip.js</small></h1>
    </div>

    <h2 id="tooltips-examples">Examples</h2>
    <p>Inspired by the excellent jQuery.tipsy plugin written by Jason Frame; Tooltips are an updated version, which don't rely on images, use CSS3 for animations, and data-attributes for local title storage.</p>
    <p>Hover over the links below to see tooltips:</p>
    <div class="bs-example tooltip-demo">
      <p class="muted" style="margin-bottom: 0;">Tight pants next level keffiyeh <a href="#" data-toggle="tooltip" title="Default tooltip">you probably</a> haven't heard of them. Photo booth beard raw denim letterpress vegan messenger bag stumptown. Farm-to-table seitan, mcsweeney's fixie sustainable quinoa 8-bit american apparel <a href="#" data-toggle="tooltip" title="Another tooltip">have a</a> terry richardson vinyl chambray. Beard stumptown, cardigans banh mi lomo thundercats. Tofu biodiesel williamsburg marfa, four loko mcsweeney's cleanse vegan chambray. A really ironic artisan <a href="#" data-toggle="tooltip" title="Another one here too">whatever keytar</a>, scenester farm-to-table banksy Austin <a href="#" data-toggle="tooltip" title="The last tip!">twitter handle</a> freegan cred raw denim single-origin coffee viral.
      </p>
    </div><!-- /example -->

    <h3>Four directions</h3>
    <div class="bs-example tooltip-demo">
      <div class="bs-example-tooltips">
        <button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="left" title="Tooltip on left">Tooltip on left</button>
        <button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="top" title="Tooltip on top">Tooltip on top</button>
        <button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">Tooltip on bottom</button>
        <button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="right" title="Tooltip on right">Tooltip on right</button>
      </div>
    </div><!-- /example -->

    <div class="bs-callout bs-callout-info">
      <h4>Tooltips in button groups and input groups require special setting</h4>
      <p>When using tooltips on elements within a <code>.btn-group</code> or an <code>.input-group</code>, you'll have to specify the option <code>container: 'body'</code> (documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the tooltip is triggered).</p>
    </div>


    <h2 id="tooltips-usage">Usage</h2>
    <p>Trigger the tooltip via JavaScript:</p>
{% highlight js %}
$('#example').tooltip(options)
{% endhighlight %}

    <h3>Options</h3>
    <p>Options can be passed via data attributes or JavaScript. For data attributes, append the option name to <code>data-</code>, as in <code>data-animation=""</code>.</p>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 100px;">Name</th>
           <th style="width: 100px;">type</th>
           <th style="width: 50px;">default</th>
           <th>description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>animation</td>
           <td>boolean</td>
           <td>true</td>
           <td>apply a CSS fade transition to the tooltip</td>
         </tr>
         <tr>
           <td>html</td>
           <td>boolean</td>
           <td>false</td>
           <td>Insert HTML into the tooltip. If false, jQuery's <code>text</code> method will be used to insert content into the DOM. Use text if you're worried about XSS attacks.</td>
         </tr>
         <tr>
           <td>placement</td>
           <td>string | function</td>
           <td>'top'</td>
           <td>how to position the tooltip - top | bottom | left | right | auto. <br> When "auto" is specified, it will dynamically reorient the tooltip. For example, if placement is "auto left", the tooltip will display to the left when possible, otherwise it will display right.</td>
         </tr>
         <tr>
           <td>selector</td>
           <td>string</td>
           <td>false</td>
           <td>If a selector is provided, tooltip objects will be delegated to the specified targets.</td>
         </tr>
         <tr>
           <td>title</td>
           <td>string | function</td>
           <td>''</td>
           <td>default title value if <code>title</code> attribute isn't present</td>
         </tr>
         <tr>
           <td>trigger</td>
           <td>string</td>
           <td>'hover focus'</td>
           <td>how tooltip is triggered - click | hover | focus | manual. You may pass multiple triggers; separate them with a space.</td>
         </tr>
         <tr>
           <td>delay</td>
           <td>number | object</td>
           <td>0</td>
           <td>
            <p>delay showing and hiding the tooltip (ms) - does not apply to manual trigger type</p>
            <p>If a number is supplied, delay is applied to both hide/show</p>
            <p>Object structure is: <code>delay: { show: 500, hide: 100 }</code></p>
           </td>
         </tr>
         <tr>
           <td>container</td>
           <td>string | false</td>
           <td>false</td>
           <td>
            <p>Appends the tooltip to a specific element. Example: <code>container: 'body'</code></p>
           </td>
         </tr>
        </tbody>
      </table>
    </div><!-- /.bs-table-scrollable -->
    <div class="bs-callout bs-callout-info">
      <h4>Data attributes for individual tooltips</h4>
      <p>Options for individual tooltips can alternatively be specified through the use of data attributes, as explained above.</p>
    </div>

    <h3>Markup</h3>
{% highlight html %}
<a href="#" data-toggle="tooltip" title="first tooltip">Hover over me</a>
{% endhighlight %}

    <h3>Methods</h3>

    <h4>$().tooltip(options)</h4>
    <p>Attaches a tooltip handler to an element collection.</p>

    <h4>.tooltip('show')</h4>
    <p>Reveals an element's tooltip.</p>
    {% highlight js %}$('#element').tooltip('show'){% endhighlight %}

    <h4>.tooltip('hide')</h4>
    <p>Hides an element's tooltip.</p>
    {% highlight js %}$('#element').tooltip('hide'){% endhighlight %}

    <h4>.tooltip('toggle')</h4>
    <p>Toggles an element's tooltip.</p>
    {% highlight js %}$('#element').tooltip('toggle'){% endhighlight %}

    <h4>.tooltip('destroy')</h4>
    <p>Hides and destroys an element's tooltip.</p>
    {% highlight js %}$('#element').tooltip('destroy'){% endhighlight %}

    <h3>Events</h3>
    <div class="bs-table-scrollable">
      <table class="table table-bordered table-striped">
        <thead>
         <tr>
           <th style="width: 150px;">Event Type</th>
           <th>Description</th>
         </tr>
        </thead>
        <tbody>
         <tr>
           <td>show.bs.tooltip</td>
           <td>This event fires immediately when the <code>show</code> instance method is called.</td>
         </tr>
         <tr>
           <td>shown.bs.tooltip</td>
           <td>This event is fired when the tooltip has been made visible to the user (will wait for CSS transitions to complete).</td>
         </tr>
         <tr>
           <td>hide.bs.tooltip</td>
           <td>This event is fired immediately when the <code>hide</code> instance method has been called.</td>
         </tr>
         <tr>
           <td>hidden.bs.tooltip</td>
           <td>This event is fired when the tooltip has finished being hidden from the user (will wait for CSS transitions to complete).</td>
         </tr>
        </tbody>
      </table>
    </div><!-- /.bs-table-scrollable -->
{% highlight js %}
$('#myTooltip').on('hidden.bs.tooltip', function () {
  // do something…
})
{% endhighlight %}
  </div>

  <!-- Popovers
  ================================================== -->
  <div class="bs-docs-section">
    <div class="page-header">
      <h1 id="popovers">Popovers <small>popover.js</small></h1>
    </div>

    <h2 id="popovers-examples">Examples</h2>
    <p>Add small overlays of content, like those on the iPad, to any element for housing secondary information.</p>

    <div class="bs-callout bs-callout-danger">
      <h4>Plugin dependency</h4>
      <p>Popovers require the <a href="#tooltips">tooltip plugin</a> to be included in your version of Bootstrap.</p>
    </div>
    <div class="bs-callout bs-callout-info">
      <h4>Popovers in button groups and input groups require special setting</h4>
      <p>When using popovers on elements within a <code>.btn-group</code> or an <code>.input-group</code>, you'll have to specify the option <code>container: 'body'</code> (documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the popover is triggered).</p>
    </div>

    <h3>Static popover</h3>
    <p>Four options are available: top, right, bottom, and left aligned.</p>
    <div class="bs-example bs-example-popover">
      <div class="popover top">
        <div class="arrow"></div>
        <h3 class="popover-title">Popover top</h3>
        <div class="popover-content">
          <p>Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.</p>
        </div>
      </div>

      <div class="popover right">
        <div class="arrow"></div>
        <h3 class="popover-title">Popover right</h3>
        <div class="popover-content">
          <p>Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.</p>
        </div>
      </div>

      <div class="popover bottom">
        <div class="arrow"></div>
        <h3 class="popover-title">Popover bottom</h3>
        <div class="popover-content">
          <p>Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.</p>
        </div>
      </div>

      <div class="popover left">
        <div class="arrow"></div>
        <h3 class="popover-title">Popover left</h3>