JavaScript
Bring Bootstrap's components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one.
Bring Bootstrap's components to life with over a dozen custom jQuery plugins. Easily include them all, or one by one.
Plugins can be included individually (using Bootstrap's individual *.js
files), or all at once (using bootstrap.js
or the minified bootstrap.min.js
).
Both bootstrap.js
and bootstrap.min.js
contain all plugins in a single file.
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 before the plugin files). Consult our bower.json
to see which versions of jQuery are supported.
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.
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 data-api
. This looks like this:
$(document).off('.data-api')
Alternatively, to target a specific plugin, just include the plugin's name as a namespace along with the data-api namespace like this:
$(document).off('.alert.data-api')
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.
$('.btn.danger').button('toggle').addClass('fat')
All methods should accept an optional options object, a string which targets a particular method, or nothing (which initiates a plugin with default behavior):
$('#myModal').modal() // initialized with defaults
$('#myModal').modal({ keyboard: false }) // initialized with no keyboard
$('#myModal').modal('show') // initializes and invokes show immediately
Each plugin also exposes its raw constructor on a Constructor
property: $.fn.popover.Constructor
. If you'd like to get a particular plugin instance, retrieve it directly from an element: $('[rel=popover]').data('popover')
.
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 .noConflict
on the plugin you wish to revert the value of.
var bootstrapButton = $.fn.button.noConflict() // return $.fn.button to previously assigned value
$.fn.bootstrapBtn = bootstrapButton // give $().bootstrapBtn the Bootstrap functionality
Bootstrap provides custom events for most plugins' unique actions. Generally, these come in an infinitive and past participle form - where the infinitive (ex. show
) is triggered at the start of an event, and its past participle form (ex. shown
) is trigger on the completion of an action.
As of 3.0.0, all Bootstrap events are namespaced.
All infinitive events provide preventDefault
functionality. This provides the ability to stop the execution of an action before it starts.
$('#myModal').on('show.bs.modal', function (e) {
if (!data) return e.preventDefault() // stops modal from being shown
})
Bootstrap does not officially support third-party JavaScript libraries like Prototype or jQuery UI. Despite .noConflict
and namespaced events, there may be compatibility problems that you need to fix on your own.
For simple transition effects, include transition.js
once alongside the other JS files. If you're using the compiled (or minified) bootstrap.js
, there is no need to include this—it's already there.
Transition.js is a basic helper for transitionEnd
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.
Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.
Be sure not to open a modal while another is still visible. Showing more than one modal at a time requires custom code.
Always try to place a modal's HTML code in a top-level position in your document to avoid other components affecting the modal's appearance and/or functionality.
There are some caveats regarding using modals on mobile devices. See our browser support docs for details.
A rendered modal with header, body, and set of actions in the footer.
<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">×</button>
<h4 class="modal-title">Modal title</h4>
</div>
<div class="modal-body">
<p>One fine body…</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 -->
Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.
<!-- Button trigger modal -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
Launch demo modal
</button>
<!-- 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">×</button>
<h4 class="modal-title" id="myModalLabel">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>
</div>
</div>
Be sure to add role="dialog"
to .modal
, aria-labelledby="myModalLabel"
attribute to reference the modal title, and aria-hidden="true"
to tell assistive technologies to skip the modal's DOM elements.
Additionally, you may give a description of your modal dialog with aria-describedby
on .modal
.
Modals have two optional sizes, available via modifier classes to be placed on a .modal-dialog
.
<!-- Large modal -->
<button class="btn btn-primary" data-toggle="modal" data-target=".bs-modal-lg">Large modal</button>
<div class="modal fade bs-modal-lg" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel" aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
...
</div>
</div>
</div>
<!-- Small modal -->
<button class="btn btn-primary" data-toggle="modal" data-target=".bs-modal-sm">Small modal</button>
<div class="modal fade bs-modal-sm" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true">
<div class="modal-dialog modal-sm">
<div class="modal-content">
...
</div>
</div>
</div>
The modal plugin toggles your hidden content on demand, via data attributes or JavaScript. It also adds .modal-open
to the <body>
to override default scrolling behavior and generates a .modal-backdrop
to provide a click area for dismissing shown modals when clicking outside the modal.
Activate a modal without writing JavaScript. Set data-toggle="modal"
on a controller element, like a button, along with a data-target="#foo"
or href="#foo"
to target a specific modal to toggle.
<button type="button" data-toggle="modal" data-target="#myModal">Launch modal</button>
Call a modal with id myModal
with a single line of JavaScript:
$('#myModal').modal(options)
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-backdrop=""
.
Name | type | default | description |
---|---|---|---|
backdrop | boolean or the string 'static' |
true | Includes a modal-backdrop element. Alternatively, specify static for a backdrop which doesn't close the modal on click. |
keyboard | boolean | true | Closes the modal when escape key is pressed |
show | boolean | true | Shows the modal when initialized. |
remote | path | false | If a remote URL is provided, content will be loaded one time via jQuery's
|
Activates your content as a modal. Accepts an optional options object
.
$('#myModal').modal({
keyboard: false
})
Manually toggles a modal. Returns to the caller before the modal has actually been shown or hidden (i.e. before the shown.bs.modal
or hidden.bs.modal
event occurs).
$('#myModal').modal('toggle')
Manually opens a modal. Returns to the caller before the modal has actually been shown (i.e. before the shown.bs.modal
event occurs).
$('#myModal').modal('show')
Manually hides a modal. Returns to the caller before the modal has actually been hidden (i.e. before the hidden.bs.modal
event occurs).
$('#myModal').modal('hide')
Bootstrap's modal class exposes a few events for hooking into modal functionality.
Event Type | Description |
---|---|
show.bs.modal | This event fires immediately when the show instance method is called. If caused by a click, the clicked element is available as the relatedTarget property of the event. |
shown.bs.modal | This event is fired when the modal has been made visible to the user (will wait for CSS transitions to complete). If caused by a click, the clicked element is available as the relatedTarget property of the event. |
hide.bs.modal | This event is fired immediately when the hide instance method has been called. |
hidden.bs.modal | This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete). |
loaded.bs.modal | This event is fired when the modal has loaded content using the remote option. |
$('#myModal').on('hidden.bs.modal', function (e) {
// do something...
})
Add dropdown menus to nearly anything with this simple plugin, including the navbar, tabs, and pills.
Via data attributes or JavaScript, the dropdown plugin toggles hidden content (dropdown menus) by toggling the .open
class on the parent list item. When opened, the plugin also adds .dropdown-backdrop
as a click area for closing dropdown menus when clicking outside the menu. Note: The data-toggle=dropdown
attribute is relied on for closing dropdown menus at an application level, so it's a good idea to always use it.
Add data-toggle="dropdown"
to a link or button to toggle a dropdown.
<div class="dropdown">
<a data-toggle="dropdown" href="#">Dropdown trigger</a>
<ul class="dropdown-menu" role="menu" aria-labelledby="dLabel">
...
</ul>
</div>
To keep URLs intact, use the data-target
attribute instead of href="#"
.
<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>
Call the dropdowns via JavaScript:
$('.dropdown-toggle').dropdown()
None
Toggles the dropdown menu of a given navbar or tabbed navigation.
Event Type | Description |
---|---|
show.bs.dropdown | This event fires immediately when the show instance method is called. The toggling anchor element is available as the relatedTarget property of the event. |
shown.bs.dropdown | This event is fired when the dropdown has been made visible to the user (will wait for CSS transitions, to complete). The toggling anchor element is available as the relatedTarget property of the event. |
hide.bs.dropdown | This event is fired immediately when the hide instance method has been called. The toggling anchor element is available as the relatedTarget property of the event. |
hidden.bs.dropdown | This event is fired when the dropdown has finished being hidden from the user (will wait for CSS transitions, to complete). The toggling anchor element is available as the relatedTarget property of the event. |
$('#myDropdown').on('show.bs.dropdown', function () {
// do something…
})
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.
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To easily add scrollspy behavior to your topbar navigation, add data-spy="scroll"
to the element you want to spy on (most typically this would be the <body>
). Then add the data-target
attribute with the ID or class of the parent element of any Bootstrap .nav
component.
<body data-spy="scroll" data-target=".navbar-example">
...
<div class="navbar-example">
<ul class="nav nav-tabs">
...
</ul>
</div>
...
</body>
Call the scrollspy via JavaScript:
$('body').scrollspy({ target: '.navbar-example' })
Navbar links must have resolvable id targets. For example, a <a href="#home">home</a>
must correspond to something in the DOM like <div id="home"></div>
.
When using scrollspy in conjunction with adding or removing of elements from the DOM, you'll need to call the refresh method like so:
$('[data-spy="scroll"]').each(function () {
var $spy = $(this).scrollspy('refresh')
})
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-offset=""
.
Name | type | default | description |
---|---|---|---|
offset | number | 10 | Pixels to offset from top when calculating position of scroll. |
Event Type | Description |
---|---|
activate.bs.scrollspy | This event fires whenever a new item becomes activated by the scrollspy. |
$('#myScrollspy').on('activate.bs.scrollspy', function () {
// do something…
})
Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus.
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This plugin extends the tabbed navigation component to add tabbable areas.
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)
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.
<!-- Nav tabs -->
<ul 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><a href="#messages" data-toggle="tab">Messages</a></li>
<li><a href="#settings" data-toggle="tab">Settings</a></li>
</ul>
<!-- Tab panes -->
<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>
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.
<div class="tab-content">
<div class="tab-pane fade in active" id="home">...</div>
<div class="tab-pane fade" id="profile">...</div>
<div class="tab-pane fade" id="messages">...</div>
<div class="tab-pane fade" id="settings">...</div>
</div>
Activates a tab element and content container. Tab should have either a data-target
or an href
targeting a container node in the DOM.
<ul class="nav nav-tabs" id="myTab">
<li class="active"><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>
<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>
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. |
$('a[data-toggle="tab"]').on('shown.bs.tab', function (e) {
e.target // activated tab
e.relatedTarget // previous tab
})
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.
Hover over the links below to see tooltips:
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<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>
For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.
When using tooltips on elements within a .btn-group
or an .input-group
, you'll have to specify the option container: 'body'
(documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the tooltip is triggered).
To add a tooltip to a disabled
or .disabled
element, put the element inside of a <div>
and apply the tooltip to that <div>
instead.
The tooltip plugin generates content and markup on demand, and by default places tooltips after their trigger element.
Trigger the tooltip via JavaScript:
$('#example').tooltip(options)
The required markup for a tooltip is only a data
attribute and title
on the HTML element you wish to have a tooltip. The generated markup of a tooltip is rather simple, though it does require a position (by default, set to top
by the plugin).
Sometimes you want to add a tooltip to a hyperlink that wraps multiple lines. The default behavior of the tooltip plugin is to center it horizontally and vertically. Add white-space: nowrap;
to your anchors to avoid this.
1 <!-- HTML to write -->
2 <a href="#" data-toggle="tooltip" title="first tooltip">Hover over me</a>
3
4 <!-- Generated markup by the plugin -->
5 <div class="tooltip top">
6 <div class="tooltip-inner">
7 Tooltip!
8 </div>
9 <div class="tooltip-arrow"></div>
10 </div>
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-animation=""
.
Name | type | default | description |
---|---|---|---|
animation | boolean | true | apply a CSS fade transition to the tooltip |
html | boolean | false | Insert HTML into the tooltip. If false, jQuery's text method will be used to insert content into the DOM. Use text if you're worried about XSS attacks. |
placement | string | function | 'top' | how to position the tooltip - top | bottom | left | right | auto. 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. |
selector | string | false | If a selector is provided, tooltip objects will be delegated to the specified targets. |
title | string | function | '' | default title value if title attribute isn't present |
trigger | string | 'hover focus' | how tooltip is triggered - click | hover | focus | manual. You may pass multiple triggers; separate them with a space. |
delay | number | object | 0 |
delay showing and hiding the tooltip (ms) - does not apply to manual trigger type If a number is supplied, delay is applied to both hide/show Object structure is: |
container | string | false | false |
Appends the tooltip to a specific element. Example: |
Options for individual tooltips can alternatively be specified through the use of data attributes, as explained above.
Attaches a tooltip handler to an element collection.
Reveals an element's tooltip.
$('#element').tooltip('show')
Hides an element's tooltip.
$('#element').tooltip('hide')
Toggles an element's tooltip.
$('#element').tooltip('toggle')
Hides and destroys an element's tooltip.
$('#element').tooltip('destroy')
Event Type | Description |
---|---|
show.bs.tooltip | This event fires immediately when the show instance method is called. |
shown.bs.tooltip | This event is fired when the tooltip has been made visible to the user (will wait for CSS transitions to complete). |
hide.bs.tooltip | This event is fired immediately when the hide instance method has been called. |
hidden.bs.tooltip | This event is fired when the tooltip has finished being hidden from the user (will wait for CSS transitions to complete). |
$('#myTooltip').on('hidden.bs.tooltip', function () {
// do something…
})
Add small overlays of content, like those on the iPad, to any element for housing secondary information.
Popovers require the tooltip plugin to be included in your version of Bootstrap.
For performance reasons, the Tooltip and Popover data-apis are opt-in, meaning you must initialize them yourself.
When using popovers on elements within a .btn-group
or an .input-group
, you'll have to specify the option container: 'body'
(documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the popover is triggered).
To add a popover to a disabled
or .disabled
element, put the element inside of a <div>
and apply the popover to that <div>
instead.
Four options are available: top, right, bottom, and left aligned.
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<button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="left" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on left
</button>
<button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on top
</button>
<button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Vivamus
sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on bottom
</button>
<button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="right" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
Popover on right
</button>
Sometimes you want to add a popover to a hyperlink that wraps multiple lines. The default behavior of the popover plugin is to center it horizontally and vertically. Add white-space: nowrap;
to your anchors to avoid this.
Enable popovers via JavaScript:
$('#example').popover(options)
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-animation=""
.
Name | type | default | description |
---|---|---|---|
animation | boolean | true | apply a CSS fade transition to the popover |
html | boolean | false | Insert HTML into the popover. If false, jQuery's text method will be used to insert content into the DOM. Use text if you're worried about XSS attacks. |
placement | string | function | 'right' | how to position the popover - top | bottom | left | right | auto. When "auto" is specified, it will dynamically reorient the popover. For example, if placement is "auto left", the popover will display to the left when possible, otherwise it will display right. |
selector | string | false | if a selector is provided, popover objects will be delegated to the specified targets. In practice, this is used to enable dynamic HTML content to have popovers added. See this and an informative example. |
trigger | string | 'click' | how popover is triggered - click | hover | focus | manual |
title | string | function | '' | default title value if title attribute isn't present |
content | string | function | '' | default content value if data-content attribute isn't present |
delay | number | object | 0 |
delay showing and hiding the popover (ms) - does not apply to manual trigger type If a number is supplied, delay is applied to both hide/show Object structure is: |
container | string | false | false |
Appends the popover to a specific element. Example: |
Options for individual popovers can alternatively be specified through the use of data attributes, as explained above.
Initializes popovers for an element collection.
Reveals an elements popover.
$('#element').popover('show')
Hides an elements popover.
$('#element').popover('hide')
Toggles an elements popover.
$('#element').popover('toggle')
Hides and destroys an element's popover.
$('#element').popover('destroy')
Event Type | Description |
---|---|
show.bs.popover | This event fires immediately when the show instance method is called. |
shown.bs.popover | This event is fired when the popover has been made visible to the user (will wait for CSS transitions to complete). |
hide.bs.popover | This event is fired immediately when the hide instance method has been called. |
hidden.bs.popover | This event is fired when the popover has finished being hidden from the user (will wait for CSS transitions to complete). |
$('#myPopover').on('hidden.bs.popover', function () {
// do something…
})
Add dismiss functionality to all alert messages with this plugin.
Change this and that and try again. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Cras mattis consectetur purus sit amet fermentum.
Enable dismissal of an alert via JavaScript:
$(".alert").alert()
Just add data-dismiss="alert"
to your close button to automatically give an alert close functionality.
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
Wraps all alerts with close functionality. To have your alerts animate out when closed, make sure they have the .fade
and .in
class already applied to them.
Closes an alert.
$(".alert").alert('close')
Bootstrap's alert class exposes a few events for hooking into alert functionality.
Event Type | Description |
---|---|
close.bs.alert | This event fires immediately when the close instance method is called. |
closed.bs.alert | This event is fired when the alert has been closed (will wait for CSS transitions to complete). |
$('#my-alert').bind('closed.bs.alert', function () {
// do something…
})
Do more with buttons. Control button states or create groups of buttons for more components like toolbars.
Add data-loading-text="Loading..."
to use a loading state on a button.
<button type="button" id="loading-example-btn" data-loading-text="Loading..." class="btn btn-primary">
Loading state
</button>
<script>
$('#loading-example-btn').click(function () {
var btn = $(this);
btn.button('loading');
$.ajax(...).always(function () {
btn.button('reset');
});
});
</script>
Add data-toggle="button"
to activate toggling on a single button.
<button type="button" class="btn btn-primary" data-toggle="button">Single toggle</button>
Add data-toggle="buttons"
to a group of checkboxes for checkbox style toggling on btn-group.
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary">
<input type="checkbox"> Option 1
</label>
<label class="btn btn-primary">
<input type="checkbox"> Option 2
</label>
<label class="btn btn-primary">
<input type="checkbox"> Option 3
</label>
</div>
Add data-toggle="buttons"
to a group of radio inputs for radio style toggling on btn-group.
<div class="btn-group" data-toggle="buttons">
<label class="btn btn-primary">
<input type="radio" name="options" id="option1"> Option 1
</label>
<label class="btn btn-primary">
<input type="radio" name="options" id="option2"> Option 2
</label>
<label class="btn btn-primary">
<input type="radio" name="options" id="option3"> Option 3
</label>
</div>
Enable buttons via JavaScript:
$('.btn').button()
Data attributes are integral to the button plugin. Check out the example code below for the various markup types.
None
Toggles push state. Gives the button the appearance that it has been activated.
You can enable auto toggling of a button by using the data-toggle
attribute.
<button type="button" class="btn btn-primary" data-toggle="button">...</button>
Sets button state to loading - disables button and swaps text to loading text. Loading text should be defined on the button element using the data attribute data-loading-text
.
<button id="loading-example-btn" type="button" class="btn btn-primary" data-loading-text="loading stuff...">...</button>
<script>
$('#loading-example-btn').click(function () {
var btn = $(this);
btn.button('loading');
$.ajax(...).always(function () {
btn.button('reset');
});
});
</script>
Firefox persists the disabled state across page loads. A workaround for this is to use autocomplete="off"
.
Resets button state - swaps text to original text.
Resets button state - swaps text to any data defined text state.
<button type="button" class="btn btn-primary" data-complete-text="finished!" >...</button>
<script>
$('.btn').button('complete')
</script>
Get base styles and flexible support for collapsible components like accordions and navigation.
Collapse requires the transitions plugin to be included in your version of Bootstrap.
Using the collapse plugin, we built a simple accordion by extending the panel component.
<div class="panel-group" id="accordion">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
Collapsible Group Item #1
</a>
</h4>
</div>
<div id="collapseOne" class="panel-collapse collapse in">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
Collapsible Group Item #2
</a>
</h4>
</div>
<div id="collapseTwo" class="panel-collapse collapse">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
Collapsible Group Item #3
</a>
</h4>
</div>
<div id="collapseThree" class="panel-collapse collapse">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
</div>
You can also use the plugin without the accordion markup. Make a button toggle the expanding and collapsing of another element.
<button type="button" class="btn btn-danger" data-toggle="collapse" data-target="#demo">
simple collapsible
</button>
<div id="demo" class="collapse in">...</div>
The collapse plugin utilizes a few classes to handle the heavy lifting:
.collapse
hides the content.collapse.in
shows the content.collapsing
is added when the transition starts, and removed when it finishesThese classes can be found in component-animations.less
.
Just add data-toggle="collapse"
and a data-target
to element to automatically assign control of a collapsible element. The data-target
attribute accepts a CSS selector to apply the collapse to. Be sure to add the class collapse
to the collapsible element. If you'd like it to default open, add the additional class in
.
To add accordion-like group management to a collapsible control, add the data attribute data-parent="#selector"
. Refer to the demo to see this in action.
Enable manually with:
$('.collapse').collapse()
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-parent=""
.
Name | type | default | description |
---|---|---|---|
parent | selector | false | If selector then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion behavior - this dependent on the panel class) |
toggle | boolean | true | Toggles the collapsible element on invocation |
Activates your content as a collapsible element. Accepts an optional options object
.
$('#myCollapsible').collapse({
toggle: false
})
Toggles a collapsible element to shown or hidden.
Shows a collapsible element.
Hides a collapsible element.
Bootstrap's collapse class exposes a few events for hooking into collapse functionality.
Event Type | Description |
---|---|
show.bs.collapse | This event fires immediately when the show instance method is called. |
shown.bs.collapse | This event is fired when a collapse element has been made visible to the user (will wait for CSS transitions to complete). |
hide.bs.collapse |
This event is fired immediately when the hide method has been called.
|
hidden.bs.collapse | This event is fired when a collapse element has been hidden from the user (will wait for CSS transitions to complete). |
$('#myCollapsible').on('hidden.bs.collapse', function () {
// do something…
})
The slideshow below shows a generic plugin and component for cycling through elements like a carousel.
<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
<li data-target="#carousel-example-generic" data-slide-to="1"></li>
<li data-target="#carousel-example-generic" data-slide-to="2"></li>
</ol>
<!-- Wrapper for slides -->
<div class="carousel-inner">
<div class="item active">
<img src="..." alt="...">
<div class="carousel-caption">
...
</div>
</div>
...
</div>
<!-- Controls -->
<a class="left carousel-control" href="#carousel-example-generic" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
</a>
<a class="right carousel-control" href="#carousel-example-generic" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
</a>
</div>
Bootstrap exclusively uses CSS3 for its animations, but Internet Explorer 8 & 9 don't support the necessary CSS properties. Thus, there are no slide transition animations when using these browsers. We have intentionally decided not to include jQuery-based fallbacks for the transitions.
Add captions to your slides easily with the .carousel-caption
element within any .item
. Place just about any optional HTML within there and it will be automatically aligned and formatted.
<div class="item active">
<img src="..." alt="...">
<div class="carousel-caption">
<h3>...</h3>
<p>...</p>
</div>
</div>
The carousel component is generally not compliant with accessibility standards. If you need to be compliant, please consider other options for presenting your content.
Carousels require the use of an id
on the outermost container, .carousel
, for carousel controls to function properly. When adding multiple carousels, or when changing a carousel's id
, be sure to update the relevant controls.
Use data attributes to easily control the position of the carousel. data-slide
accepts the keywords prev
or next
, which alters the slide position relative to its current position. Alternatively, use data-slide-to
to pass a raw slide index to the carousel data-slide-to="2"
, which shifts the slide position to a particular index beginning with 0
.
The data-ride="carousel"
attribute is used to mark a carousel as animating starting at page load.
Call carousel manually with:
$('.carousel').carousel()
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-interval=""
.
Name | type | default | description |
---|---|---|---|
interval | number | 5000 | The amount of time to delay between automatically cycling an item. If false, carousel will not automatically cycle. |
pause | string | "hover" | Pauses the cycling of the carousel on mouseenter and resumes the cycling of the carousel on mouseleave. |
wrap | boolean | true | Whether the carousel should cycle continuously or have hard stops. |
Initializes the carousel with an optional options object
and starts cycling through items.
$('.carousel').carousel({
interval: 2000
})
Cycles through the carousel items from left to right.
Stops the carousel from cycling through items.
Cycles the carousel to a particular frame (0 based, similar to an array).
Cycles to the previous item.
Cycles to the next item.
Bootstrap's carousel class exposes two events for hooking into carousel functionality.
Event Type | Description |
---|---|
slide.bs.carousel | This event fires immediately when the slide instance method is invoked. |
slid.bs.carousel | This event is fired when the carousel has completed its slide transition. |
$('#myCarousel').on('slide.bs.carousel', function () {
// do something…
})
The subnavigation on the right is a live demo of the affix plugin.
Use the affix plugin via data attributes or manually with your own JavaScript. In both situations, you must provide CSS for the positioning of your content.
The affix plugin toggles between three classes, each representing a particular state: .affix
, .affix-top
, and .affix-bottom
. You must provide the styles for these classes yourself (independent of this plugin) to handle the actual positions.
Here's how the affix plugin works:
.affix-top
to indicate the element is in its top-most position. At this point no CSS positioning is required..affix
replaces .affix-top
and sets position: fixed;
(provided by Bootstrap's code CSS)..affix
with .affix-bottom
. Since offsets are optional, setting one requires you to set the appropriate CSS. In this case, add position: absolute;
when necessary. The plugin uses the data attribute or JavaScript option to determine where to position the element from there.Follow the above steps to set your CSS for either of the usage options below.
To easily add affix behavior to any element, just add data-spy="affix"
to the element you want to spy on. Use offsets to define when to toggle the pinning of an element.
<div data-spy="affix" data-offset-top="60" data-offset-bottom="200">
...
</div>
Call the affix plugin via JavaScript:
$('#myAffix').affix({
offset: {
top: 100
, bottom: function () {
return (this.bottom = $('.bs-footer').outerHeight(true))
}
}
})
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-offset-top="200"
.
Name | type | default | description |
---|---|---|---|
offset | number | function | object | 10 | Pixels to offset from screen when calculating position of scroll. If a single number is provided, the offset will be applied in both top and bottom directions. To provide a unique, bottom and top offset just provide an object offset: { top: 10 } or offset: { top: 10, bottom: 5 } . Use a function when you need to dynamically calculate an offset. |
Bootstrap's affix class exposes a few events for hooking into affix functionality.
Event Type | Description |
---|---|
affix.bs.affix | This event fires immediately before the element has been affixed. |
affixed.bs.affix | This event is fired after the element has been affixed. |
affix-top.bs.affix | This event fires immediately before the element has been affixed-top. |
affixed-top.bs.affix | This event is fired after the element has been affixed-top. |
affix-bottom.bs.affix | This event fires immediately before the element has been affixed-bottom. |
affixed-bottom.bs.affix | This event is fired after the element has been affixed-bottom. |