Bootstrap/docs/javascript/tabs.md

layout	title
page	Tabs

Example

Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus.

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Extends tabbed navigation

This plugin extends the tabbed navigation component to add tabbable areas.

Usage

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 %}

Markup

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. Adding the .nav and .nav-tabs classes to the tab <ul> will apply the Bootstrap tab styling, while adding the .nav and .nav-pills classes will apply pill styling.

{% highlight html %}

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{% endhighlight %}

Fade effect

To make tabs fade in, add .fade to each .tab-pane. The first tab pane must also have `.in to properly fade in initial content.

{% 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 %}

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...

...

...

...

{% 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 %}