--- layout: default title: JavaScript plugins slug: js lead: "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-*.js
original 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.
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:
{% highlight js %}
$(document).off('.data-api')
{% endhighlight %}
Alternatively, to target a specific plugin, just include the plugin's name as a namespace along with the data-api namespace like this:
{% highlight js %} $(document).off('.alert.data-api') {% endhighlight %}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.
{% highlight js %} $(".btn.danger").button("toggle").addClass("fat") {% endhighlight %}All methods should accept an optional options object, a string which targets a particular method, or nothing (which initiates a plugin with default behavior):
{% highlight js %} $("#myModal").modal() // initialized with defaults $("#myModal").modal({ keyboard: false }) // initialized with no keyboard $("#myModal").modal('show') // initializes and invokes show immediately {% endhighlight %}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.
Bootstrap provides custom events for most plugin's 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.
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. Ask on the mailing list if you need help.
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.
A few examples of the transition plugin:
Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.
A rendered modal with header, body, and set of actions in the footer.
Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.
{% highlight html %} Launch demo modalActivate 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.
Call a modal with id myModal
with a single line of JavaScript:
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 | 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 via jQuery's |
Activates your content as a modal. Accepts an optional options object
.
Manually toggles a modal.
{% highlight js %}$('#myModal').modal('toggle'){% endhighlight %}Manually opens a modal.
{% highlight js %}$('#myModal').modal('show'){% endhighlight %}Manually hides a modal.
{% highlight js %}$('#myModal').modal('hide'){% endhighlight %}Bootstrap's modal class exposes a few events for hooking into modal functionality.
Event Type | Description |
---|---|
show | This event fires immediately when the show instance method is called. |
shown | This event is fired when the modal has been made visible to the user (will wait for CSS transitions to complete). |
hide | This event is fired immediately when the hide instance method has been called. |
hidden | This event is fired when the modal has finished being hidden from the user (will wait for CSS transitions to complete). |
Add dropdown menus to nearly anything with this simple plugin, including the navbar, tabs, and pills.
Add data-toggle="dropdown"
to a link or button to toggle a dropdown.
To keep URLs intact, use the data-target
attribute instead of href="#"
.
Call the dropdowns via JavaScript:
{% highlight js %} $('.dropdown-toggle').dropdown() {% endhighlight %}None
A programmatic api for toggling menus for a given navbar or tabbed navigation.
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.
Call the scrollspy via JavaScript:
{% highlight js %} $('#navbar-example').scrollspy() {% endhighlight %}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:
{% highlight js %} $('[data-spy="scroll"]').each(function () { var $spy = $(this).scrollspy('refresh') }); {% endhighlight %}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 | This event fires whenever a new item becomes activated by the scrollspy. |
Add quick, dynamic tab functionality to transition through panes of local content, even via dropdown menus.
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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 %}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.
To make tabs fade in, add .fade
to each .tab-pane
.
Activates a tab element and content container. Tab should have either a data-target
or an href
targeting a container node in the DOM.
Event Type | Description |
---|---|
show | 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 | 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. |
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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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).
Trigger the tooltip via JavaScript:
{% highlight js %} $('#example').tooltip(options) {% endhighlight %}Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-
, as in data-animation=""
.
Name | type | default | description |
---|---|---|---|
animation | boolean | true | apply a CSS fade transition to the tooltip |
html | boolean | false | Insert HTML into the tooltip. If false, jQuery's text method will be used to insert content into the DOM. Use text if you're worried about XSS attacks. |
placement | string | function | 'top' | how to position the tooltip - top | bottom | left | right | auto. When "auto" is specified, it will dynamically reorient the tooltip. For example, if placment is "auto left", the tooltip will display to the left when possible, otherwise it will display right. |
selector | string | false | If a selector is provided, tooltip objects will be delegated to the specified targets. |
title | string | function | '' | default title value if title tag isn't present |
trigger | string | 'hover focus' | how tooltip is triggered - click | hover | focus | manual. You may pass multiple triggers; separate them with a space. |
delay | number | object | 0 |
delay showing and hiding the tooltip (ms) - does not apply to manual trigger type If a number is supplied, delay is applied to both hide/show Object structure is: |
container | string | false | false |
Appends the tooltip to a specific element. Example: |
Options for individual tooltips can alternatively be specified through the use of data attributes, as explained above.
Attaches a tooltip handler to an element collection.
Reveals an element's tooltip.
{% highlight js %}$('#element').tooltip('show'){% endhighlight %}Hides an element's tooltip.
{% highlight js %}$('#element').tooltip('hide'){% endhighlight %}Toggles an element's tooltip.
{% highlight js %}$('#element').tooltip('toggle'){% endhighlight %}Hides and destroys an element's tooltip.
{% highlight js %}$('#element').tooltip('destroy'){% endhighlight %}Add small overlays of content, like those on the iPad, to any element for housing secondary information. Hover over the button to trigger the popover.
Popovers require the tooltip plugin to be included in your version of Bootstrap.
When using popovers on elements within a .btn-group
or an .input-group
, you'll have to specify the option container: 'body'
(documented below) to avoid unwanted side effects (such as the element growing wider and/or losing its rounded corners when the popover is triggered).
Four options are available: top, right, bottom, and left aligned.
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Enable popovers via JavaScript:
{% highlight js %}$('#example').popover(options){% endhighlight %}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 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 placment 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 if a selector is provided, tooltip 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.
For performance reasons, the Tooltip and Popover data-apis are opt in. If you would like to use them just specify a selector option.
Initializes popovers for an element collection.
Reveals an elements popover.
{% highlight js %}$('#element').popover('show'){% endhighlight %}Hides an elements popover.
{% highlight js %}$('#element').popover('hide'){% endhighlight %}Toggles an elements popover.
{% highlight js %}$('#element').popover('toggle'){% endhighlight %}Hides and destroys an element's popover.
{% highlight js %}$('#element').popover('destroy'){% endhighlight %}Add dismiss functionality to all alert messages with this plugin.
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Enable dismissal of an alert via JavaScript:
{% highlight js %}$(".alert").alert(){% endhighlight %}Just add data-dismiss="alert"
to your close button to automatically give an alert close functionality.
Wraps all alerts with close functionality. To have your alerts animate out when closed, make sure they have the .fade
and .in
class already applied to them.
Closes an alert.
{% highlight js %}$(".alert").alert('close'){% endhighlight %}Bootstrap's alert class exposes a few events for hooking into alert functionality.
Event Type | Description |
---|---|
close | This event fires immediately when the close instance method is called. |
closed | This event is fired when the alert has been closed (will wait for CSS transitions to complete). |
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.
Add data-toggle="button"
to activate toggling on a single button.
Add data-toggle="buttons"
to a group of checkboxes for checkbox style toggling on btn-group.
Add data-toggle="buttons"
to a group of radio inputs for radio style toggling on btn-group.
Enable buttons via JavaScript:
{% highlight js %} $('.nav-tabs').button() {% endhighlight %}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.
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
.
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.
{% highlight html %} {% endhighlight %}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 style widget:
You can also use the plugin without the accordion markup. Make a button toggle the expanding and collapsing of another element.
{% highlight html %}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:
{% highlight js %} $(".collapse").collapse() {% endhighlight %}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) |
toggle | boolean | true | Toggles the collapsible element on invocation |
Activates your content as a collapsible element. Accepts an optional options object
.
{% highlight js %}
$('#myCollapsible').collapse({
toggle: false
})
{% endhighlight %}
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 | This event fires immediately when the show instance method is called. |
shown | This event is fired when a collapse element has been made visible to the user (will wait for CSS transitions to complete). |
hide |
This event is fired immediately when the hide method has been called.
|
hidden | This event is fired when a collapse element has been hidden from the user (will wait for CSS transitions to complete). |
The slideshow below shows a generic plugin and component for cycling through elements like a carousel.
With Glyphicons available, you may choose to style the left and right toggle buttons with .glyphicon .glyphicon-chevron-left
and .glyphicon .glyphicon-chevron-right
.
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.
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
.
Call carousel manually with:
{% highlight js %} $('.carousel').carousel() {% endhighlight %}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. |
Initializes the carousel with an optional options object
and starts cycling through items.
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 | This event fires immediately when the slide instance method is invoked. |
slid | This event is fired when the carousel has completed its slide transition. |
The subnavigation on the left is a live demo of the affix plugin.
To easily add affix behavior to any element, just add data-spy="affix"
to the element you want to spy on. Then use offsets to define when to toggle the pinning of an element on and off.
Affix toggles between three states/classes: affix
, affix-top
, and affix-bottom
. You must provide the styles for these classes yourself (independent of this plugin).
The affix-top
class should be in the regular flow of the document. The affix
class should be fixed to the page. And affix-bottom
should be positioned absolute. Note, affix-bottom
is special in that the plugin will place the element with js relative to the offset: { bottom: number }
option you've provided.
Call the affix plugin via JavaScript:
{% highlight js %} $('#myAffix').affix({ offset: { top: 100 , bottom: function () { return (this.bottom = $('.bs-footer').outerHeight(true)) } } }) {% endhighlight %}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 left 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. |