コンポーネント

ボタン、ドロップダウン、入力フォーム、ナビゲーション、アラートなどのコンポーネント。

現在翻訳中です。お待ちください。

Navs

Navigation available in Bootstrap share general markup and styles, from the base .navclass to the active and disabled states. Swap modifier classes to switch between each style.

Contents

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 <ul>, or wrap a <nav>element around the whole navigation. Do not add the role to the <ul>itself, as this would prevent it from being announced as an actual list by assistive technologies.

Base nav

Roll your own navigation style by extending the base .navcomponent. All Bootstrap’s nav components are built on top of this by specifying additional styles. Includes styles for the disabled state, but not the active state.

<ul class="nav">
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Classes are used throughout, so your markup can be super flexible. Use <ul>s like above, or roll your own with say a <nav>element. The change in nav item display below is intentionalas <li>s have a different default displaythan regular <a>elements.

<nav class="nav">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Another link</a>
<a class="nav-link disabled" href="#">Disabled</a>
</nav>

Inline

Easily space out nav links in a horizontal band with .nav-inline. Longer series of links will wrap to a new line.

<nav class="nav nav-inline">
<a class="nav-link active" href="#">Active</a>
<a class="nav-link" href="#">Link</a>
<a class="nav-link" href="#">Another link</a>
<a class="nav-link disabled" href="#">Disabled</a>
</nav>

The same works for a navigation built with lists.

<ul class="nav nav-inline">
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Tabs

Takes the basic nav from above and adds the .nav-tabsclass to generate a tabbed interface. Use them to create tabbable regions with our tab JavaScript plugin.

<ul class="nav nav-tabs">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Pills

Take that same HTML, but use .nav-pillsinstead:

<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Stacked pills

Just add .nav-stackedto the .nav.nav-pills.

<ul class="nav nav-pills nav-stacked">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Using dropdowns

Add dropdown menus with a little extra HTML and the dropdowns JavaScript plugin.

Tabs with dropdowns

<ul class="nav nav-tabs">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

Pills with dropdowns

<ul class="nav nav-pills">
<li class="nav-item">
<a class="nav-link active" href="#">Active</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">Dropdown</a>
<div class="dropdown-menu">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Separated link</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Another link</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>

JavaScript behavior

Use the tab JavaScript plugin—include it individually or through the compiled bootstrap.jsfile—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-tabsor .nav-pills.

<!-- Nav tabs -->
<ul class="nav nav-tabs" role="tablist">
<li class="nav-item">
<a class="nav-link active" data-toggle="tab" href="#home" role="tab">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#profile" role="tab">Profile</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#messages" role="tab">Messages</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#settings" role="tab">Settings</a>
</li>
</ul>

<!-- Tab panes -->
<div class="tab-content">
<div class="tab-pane active" id="home" role="tabpanel">...</div>
<div class="tab-pane" id="profile" role="tabpanel">...</div>
<div class="tab-pane" id="messages" role="tabpanel">...</div>
<div class="tab-pane" id="settings" role="tabpanel">...</div>
</div>

Via JavaScript

Enable tabbable tabs via JavaScript (each tab needs to be activated individually):

$('#myTab a').click(function (e) {
e.preventDefault()
$(this).tab('show')
})

You can activate individual tabs in several ways:

$('#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)

Fade effect

To make tabs fade in, add .fadeto each .tab-pane. The first tab pane must also have .into make the initial content visible.

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

Methods

$().tab

Activates a tab element and content container. Tab should have either a data-targetor an hreftargeting a container node in the DOM.

<ul class="nav nav-tabs" id="myTab" role="tablist">
<li class="nav-item">
<a class="nav-link active" data-toggle="tab" href="#home" role="tab" aria-controls="home">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#profile" role="tab" aria-controls="profile">Profile</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#messages" role="tab" aria-controls="messages">Messages</a>
</li>
<li class="nav-item">
<a class="nav-link" data-toggle="tab" href="#settings" role="tab" aria-controls="settings">Settings</a>
</li>
</ul>

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

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

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.tabevent)
  4. shown.bs.tab(on the newly-active just-shown tab, the same one as for the show.bs.tabevent)

If no tab was already active, then the hide.bs.taband hidden.bs.tabevents 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.targetand event.relatedTargetto 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.targetand event.relatedTargetto 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.targetand event.relatedTargetto 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.targetand event.relatedTargetto target the previous active tab and the new active tab, respectively.
$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
e.target // newly activated tab
e.relatedTarget // previous active tab
})