--- layout: docs title: Navs group: components --- [//]: # DO NOT EDIT IT WILL BE OVERWRITTEN - copy of bootstrap documentation generated by grunt docs-copy-bootstrap-docs {% callout info %} **Bootstrap Reference Documentation** This is reference documentation from Bootstrap. It is being rendered with Material Design for Bootstrap to demonstrate default styling. See addons(TODO: add link) for additional Material Design elements. {% endcallout %} Navigation available in Bootstrap share general markup and styles, from the base `.nav` class to the active and disabled states. Swap modifier classes to switch between each style. ## Contents * Will be replaced with the ToC, excluding the "Contents" header {:toc} ## Regarding accessibility If you are using navs to provide a navigation bar, be sure to add a `role="navigation"` to the most logical parent container of the `

` element around the whole navigation. Do not add the role to the `

` element. The change in nav item display below **is intentional** as `

`s have a different default `display` than regular `` elements. {% example html %} {% endexample %} ## Inline Easily space out nav links in a horizontal band with `.nav-inline`. Longer series of links will wrap to a new line. {% example html %} {% endexample %} The same works for a navigation built with lists. {% example html %}

{% endexample %} ## Tabs Takes the basic nav from above and adds the `.nav-tabs` class to generate a tabbed interface. Use them to create tabbable regions with our [tab JavaScript plugin](#javascript-behavior). {% example html %}

{% endexample %} ## Pills Take that same HTML, but use `.nav-pills` instead: {% example html %}

{% endexample %} ## Stacked pills Just add `.nav-stacked` to the `.nav.nav-pills`. {% example html %}

{% endexample %} ## Using dropdowns Add dropdown menus with a little extra HTML and the [dropdowns JavaScript plugin]({{ site.baseurl }}/components/dropdowns/#usage). ### Tabs with dropdowns {% example html %}

{% endexample %} ### Pills with dropdowns {% example html %}

{% endexample %} ## JavaScript behavior Use the tab JavaScript plugin—include it individually or through the compiled `bootstrap.js` file—to extend our navigational tabs and pills to create tabbable panes of local content, even via dropdown menus.

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### Using data attributes You can activate a tab or pill navigation without writing any JavaScript by simply specifying `data-toggle="tab"` or `data-toggle="pill"` on an element. Use these data attributes on `.nav-tabs` or `.nav-pills`.

{% highlight html %}

...

{% endhighlight %}

### Via JavaScript Enable tabbable tabs via JavaScript (each tab needs to be activated individually): {% highlight js %} $('#myTab a').click(function (e) { e.preventDefault() $(this).tab('show') }) {% endhighlight %} You can activate individual tabs in several ways: {% 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 %} ### Fade effect To make tabs fade in, add `.fade` to each `.tab-pane`. The first tab pane must also have `.in` to make the initial content visible. {% highlight html %}

...

{% endhighlight %} ### Methods #### $().tab Activates a tab element and content container. Tab should have either a `data-target` or an `href` targeting a container node in the DOM. {% highlight html %}

...

{% endhighlight %} ### Events When showing a new tab, the events fire in the following order: 1. `hide.bs.tab` (on the current active tab) 2. `show.bs.tab` (on the to-be-shown tab) 3. `hidden.bs.tab` (on the previous active tab, the same one as for the `hide.bs.tab` event) 4. `shown.bs.tab` (on the newly-active just-shown tab, the same one as for the `show.bs.tab` event) If no tab was already active, then the `hide.bs.tab` and `hidden.bs.tab` events will not be fired.

Event Type	Description
show.bs.tab	This event fires on tab show, but before the new tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.
shown.bs.tab	This event fires on tab show after a tab has been shown. Use `event.target` and `event.relatedTarget` to target the active tab and the previous active tab (if available) respectively.
hide.bs.tab	This event fires when a new tab is to be shown (and thus the previous active tab is to be hidden). Use `event.target` and `event.relatedTarget` to target the current active tab and the new soon-to-be-active tab, respectively.
hidden.bs.tab	This event fires after a new tab is shown (and thus the previous active tab is hidden). Use `event.target` and `event.relatedTarget` to target the previous active tab and the new active tab, respectively.

{% highlight js %} $('a[data-toggle="tab"]').on('shown.bs.tab', function (e) { e.target // newly activated tab e.relatedTarget // previous active tab }) {% endhighlight %}