Javascript

Bring FI-WARE style guide's components to life—now with 13 custom jQuery plugins.

Individual or compiled

Plugins can be included individually (though some have required dependencies), or all at once. Both bootstrap.js and bootstrap.min.js contain all plugins in a single file.

Data attributes

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. 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 body namespaced with `'data-api'`. This looks like this:

  1. $('body').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:

  1. $('body').off('.alert.data-api')

Programmatic 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.

  1. $(".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):

  1. $("#myModal").modal() // initialized with defaults
  2. $("#myModal").modal({ keyboard: false }) // initialized with no keyboard
  3. $("#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').

No Conflict

Sometimes it is necessary to use FI-WARE style guide 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.

  1. var bootstrapButton = $.fn.button.noConflict() // return $.fn.button to previously assigned value
  2. $.fn.bootstrapBtn = bootstrapButton // give $().bootstrapBtn the bootstrap functionality

Events

FI-WARE style guide 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.

All infinitive events provide preventDefault functionality. This provides the ability to stop the execution of an action before it starts.

  1. $('#myModal').on('show', function (e) {
  2. if (!data) return e.preventDefault() // stops modal from being shown
  3. })

About transitions

For simple transition effects, include bootstrap-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.

Use cases

A few examples of the transition plugin:

  • Sliding or fading in modals
  • Fading out tabs
  • Fading out alerts
  • Sliding carousel panes

Examples

Modals are streamlined, but flexible, dialog prompts with the minimum required functionality and smart defaults.

Static example

A rendered modal with header, body, and set of actions in the footer.

  1. <div class="modal hide fade">
  2. <div class="modal-header">
  3. <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
  4. <h3>Modal header</h3>
  5. </div>
  6. <div class="modal-body">
  7. <p>One fine body…</p>
  8. </div>
  9. <div class="modal-footer">
  10. <a href="#" class="btn">Close</a>
  11. <a href="#" class="btn btn-primary">Save changes</a>
  12. </div>
  13. </div>

Live demo

Toggle a modal via JavaScript by clicking the button below. It will slide down and fade in from the top of the page.

  1. <!-- Button to trigger modal -->
  2. <a href="#myModal" role="button" class="btn" data-toggle="modal">Launch demo modal</a>
  3.  
  4. <!-- Modal -->
  5. <div id="myModal" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  6. <div class="modal-header">
  7. <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
  8. <h3 id="myModalLabel">Modal header</h3>
  9. </div>
  10. <div class="modal-body">
  11. <p>One fine body…</p>
  12. </div>
  13. <div class="modal-footer">
  14. <button class="btn" data-dismiss="modal" aria-hidden="true">Close</button>
  15. <button class="btn btn-primary">Save changes</button>
  16. </div>
  17. </div>

Usage

Via data attributes

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.

  1. <button type="button" data-toggle="modal" data-target="#myModal">Launch modal</button>

Via JavaScript

Call a modal with id myModal with a single line of JavaScript:

  1. $('#myModal').modal(options)

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 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 load method and injected into the .modal-body. If you're using the data api, you may alternatively use the href tag to specify the remote source. An example of this is shown below:

  1. <a data-toggle="modal" href="remote.html" data-target="#modal">click me</a>

Methods

.modal(options)

Activates your content as a modal. Accepts an optional options object.

  1. $('#myModal').modal({
  2. keyboard: false
  3. })

.modal('toggle')

Manually toggles a modal.

  1. $('#myModal').modal('toggle')

.modal('show')

Manually opens a modal.

  1. $('#myModal').modal('show')

.modal('hide')

Manually hides a modal.

  1. $('#myModal').modal('hide')

Events

FI-WARE style guide's modal class exposes a few events for hooking into modal functionality.

Event 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).
  1. $('#myModal').on('hidden', function () {
  2. // do something…
  3. })

Example in navbar

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.

@fat

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In incididunt echo park, officia deserunt mcsweeney's proident master cleanse thundercats sapiente veniam. Excepteur VHS elit, proident shoreditch +1 biodiesel laborum craft beer. Single-origin coffee wayfarers irure four loko, cupidatat terry richardson master cleanse. Assumenda you probably haven't heard of them art party fanny pack, tattooed nulla cardigan tempor ad. Proident wolf nesciunt sartorial keffiyeh eu banh mi sustainable. Elit wolf voluptate, lo-fi ea portland before they sold out four loko. Locavore enim nostrud mlkshk brooklyn nesciunt.

three

Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.

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Usage

Via data attributes

To easily add scrollspy behavior to your topbar navigation, just add data-spy="scroll" to the element you want to spy on (most typically this would be the body) and data-target=".navbar" to select which nav to use. You'll want to use scrollspy with a .nav component.

  1. <body data-spy="scroll" data-target=".navbar">...</body>

Via JavaScript

Call the scrollspy via JavaScript:

  1. $('#navbar').scrollspy()
Heads up! 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>.

Methods

.scrollspy('refresh')

When using scrollspy in conjunction with adding or removing of elements from the DOM, you'll need to call the refresh method like so:

  1. $('[data-spy="scroll"]').each(function () {
  2. var $spy = $(this).scrollspy('refresh')
  3. });

Options

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.

Events

Event Description
activate This event fires whenever a new item becomes activated by the scrollspy.

Example tabs

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

Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.

Food truck fixie locavore, accusamus mcsweeney's marfa nulla single-origin coffee squid. Exercitation +1 labore velit, blog sartorial PBR leggings next level wes anderson artisan four loko farm-to-table craft beer twee. Qui photo booth letterpress, commodo enim craft beer mlkshk aliquip jean shorts ullamco ad vinyl cillum PBR. Homo nostrud organic, assumenda labore aesthetic magna delectus mollit. Keytar helvetica VHS salvia yr, vero magna velit sapiente labore stumptown. Vegan fanny pack odio cillum wes anderson 8-bit, sustainable jean shorts beard ut DIY ethical culpa terry richardson biodiesel. Art party scenester stumptown, tumblr butcher vero sint qui sapiente accusamus tattooed echo park.


Usage

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

  1. $('#myTab a').click(function (e) {
  2. e.preventDefault();
  3. $(this).tab('show');
  4. })

You can activate individual tabs in several ways:

  1. $('#myTab a[href="#profile"]').tab('show'); // Select tab by name
  2. $('#myTab a:first').tab('show'); // Select first tab
  3. $('#myTab a:last').tab('show'); // Select last tab
  4. $('#myTab li:eq(2) a').tab('show'); // Select third tab (0-indexed)

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 FI-WARE style guide tab styling.

  1. <ul class="nav nav-tabs">
  2. <li><a href="#home" data-toggle="tab">Home</a></li>
  3. <li><a href="#profile" data-toggle="tab">Profile</a></li>
  4. <li><a href="#messages" data-toggle="tab">Messages</a></li>
  5. <li><a href="#settings" data-toggle="tab">Settings</a></li>
  6. </ul>

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.

  1. <ul class="nav nav-tabs" id="myTab">
  2. <li class="active"><a href="#home">Home</a></li>
  3. <li><a href="#profile">Profile</a></li>
  4. <li><a href="#messages">Messages</a></li>
  5. <li><a href="#settings">Settings</a></li>
  6. </ul>
  7.  
  8. <div class="tab-content">
  9. <div class="tab-pane active" id="home">...</div>
  10. <div class="tab-pane" id="profile">...</div>
  11. <div class="tab-pane" id="messages">...</div>
  12. <div class="tab-pane" id="settings">...</div>
  13. </div>
  14.  
  15. <script>
  16. $(function () {
  17. $('#myTab a:last').tab('show');
  18. })
  19. </script>

Events

Event 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.
  1. $('a[data-toggle="tab"]').on('shown', function (e) {
  2. e.target // activated tab
  3. e.relatedTarget // previous tab
  4. })

Examples

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.

For performance reasons, the tooltip and popover data-apis are opt in, meaning you must initialize them yourself.

Hover over the links below to see tooltips:

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Tooltips in input groups

When using tooltips and popovers with the FI-WARE style guide input groups, you'll have to set the container (documented below) option to avoid unwanted side effects.


Usage

Trigger the tooltip via JavaScript:

  1. $('#example').tooltip(options)

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 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
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. Note you case pass trigger mutliple, space seperated, trigger types.
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: delay: { show: 500, hide: 100 }

container string | false false

Appends the tooltip to a specific element container: 'body'

Heads up! Options for individual tooltips can alternatively be specified through the use of data attributes.

Markup

  1. <a href="#" data-toggle="tooltip" title="first tooltip">hover over me</a>

Methods

$().tooltip(options)

Attaches a tooltip handler to an element collection.

.tooltip('show')

Reveals an element's tooltip.

  1. $('#element').tooltip('show')

.tooltip('hide')

Hides an element's tooltip.

  1. $('#element').tooltip('hide')

.tooltip('toggle')

Toggles an element's tooltip.

  1. $('#element').tooltip('toggle')

.tooltip('destroy')

Hides and destroys an element's tooltip.

  1. $('#element').tooltip('destroy')

Examples

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. Requires Tooltip to be included.

Static popover

Four options are available: top, right, bottom, and left aligned.

Popover top

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Popover right

Sed posuere consectetur est at lobortis. Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum.

Popover bottom

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Popover left

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No markup shown as popovers are generated from JavaScript and content within a data attribute.


Usage

Enable popovers via JavaScript:

  1. $('#example').popover(options)

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 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
selector string false if a selector is provided, tooltip objects will be delegated to the specified targets
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: delay: { show: 500, hide: 100 }

container string | false false

Appends the popover to a specific element container: 'body'

Heads up! Options for individual popovers can alternatively be specified through the use of data attributes.

Markup

For performance reasons, the Tooltip and Popover data-apis are opt in. If you would like to use them just specify a selector option.

Methods

$().popover(options)

Initializes popovers for an element collection.

.popover('show')

Reveals an elements popover.

  1. $('#element').popover('show')

.popover('hide')

Hides an elements popover.

  1. $('#element').popover('hide')

.popover('toggle')

Toggles an elements popover.

  1. $('#element').popover('toggle')

.popover('destroy')

Hides and destroys an element's popover.

  1. $('#element').popover('destroy')

Example alerts

Add dismiss functionality to all alert messages with this plugin.

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Oh snap! You got an error!

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.

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Usage

Enable dismissal of an alert via JavaScript:

  1. $(".alert").alert()

Markup

Just add data-dismiss="alert" to your close button to automatically give an alert close functionality.

  1. <a class="close" data-dismiss="alert" href="#">&times;</a>

Methods

$().alert()

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.

.alert('close')

Closes an alert.

  1. $(".alert").alert('close')

Events

FI-WARE style guide's alert class exposes a few events for hooking into alert functionality.

Event 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).
  1. $('#my-alert').bind('closed', function () {
  2. // do something…
  3. })

Example uses

Do more with buttons. Control button states or create groups of buttons for more components like toolbars.

Stateful

Add data-loading-text="Loading..." to use a loading state on a button.

  1. <button type="button" class="btn btn-primary" data-loading-text="Loading...">Loading state</button>

Single toggle

Add data-toggle="button" to activate toggling on a single button.

  1. <button type="button" class="btn btn-primary" data-toggle="button">Single Toggle</button>

Checkbox

Add data-toggle="buttons-checkbox" for checkbox style toggling on btn-group.

  1. <div class="btn-group" data-toggle="buttons-checkbox">
  2. <button type="button" class="btn btn-primary">Left</button>
  3. <button type="button" class="btn btn-primary">Middle</button>
  4. <button type="button" class="btn btn-primary">Right</button>
  5. </div>

Radio

Add data-toggle="buttons-radio" for radio style toggling on btn-group.

  1. <div class="btn-group" data-toggle="buttons-radio">
  2. <button type="button" class="btn btn-primary">Left</button>
  3. <button type="button" class="btn btn-primary">Middle</button>
  4. <button type="button" class="btn btn-primary">Right</button>
  5. </div>

Usage

Enable buttons via JavaScript:

  1. $('.nav-tabs').button()

Markup

Data attributes are integral to the button plugin. Check out the example code below for the various markup types.

Options

None

Methods

$().button('toggle')

Toggles push state. Gives the button the appearance that it has been activated.

Heads up! You can enable auto toggling of a button by using the data-toggle attribute.
  1. <button type="button" class="btn" data-toggle="button" ></button>

$().button('loading')

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.

  1. <button type="button" class="btn" data-loading-text="loading stuff..." >...</button>
Heads up! Firefox persists the disabled state across page loads. A workaround for this is to use autocomplete="off".

$().button('reset')

Resets button state - swaps text to original text.

$().button(string)

Resets button state - swaps text to any data defined text state.

  1. <button type="button" class="btn" data-complete-text="finished!" >...</button>
  2. <script>
  3. $('.btn').button('complete')
  4. </script>

About

Get base styles and flexible support for collapsible components like accordions and navigation.

* Requires the Transitions plugin to be included.

Example accordion

Using the collapse plugin, we built a simple accordion style widget:

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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.
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  1. <div class="accordion" id="accordion2">
  2. <div class="accordion-group">
  3. <div class="accordion-heading">
  4. <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseOne">
  5. Collapsible Group Item #1
  6. </a>
  7. </div>
  8. <div id="collapseOne" class="accordion-body collapse in">
  9. <div class="accordion-inner">
  10. Anim pariatur cliche...
  11. </div>
  12. </div>
  13. </div>
  14. <div class="accordion-group">
  15. <div class="accordion-heading">
  16. <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion2" href="#collapseTwo">
  17. Collapsible Group Item #2
  18. </a>
  19. </div>
  20. <div id="collapseTwo" class="accordion-body collapse">
  21. <div class="accordion-inner">
  22. Anim pariatur cliche...
  23. </div>
  24. </div>
  25. </div>
  26. </div>
  27. ...

You can also use the plugin without the accordion markup. Make a button toggle the expanding and collapsing of another element.

  1. <button type="button" class="btn btn-danger" data-toggle="collapse" data-target="#demo">
  2. simple collapsible
  3. </button>
  4.  
  5. <div id="demo" class="collapse in"></div>

Usage

Via data attributes

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.

Via JavaScript

Enable manually with:

  1. $(".collapse").collapse()

Options

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

Methods

.collapse(options)

Activates your content as a collapsible element. Accepts an optional options object.

  1. $('#myCollapsible').collapse({
  2. toggle: false
  3. })

.collapse('toggle')

Toggles a collapsible element to shown or hidden.

.collapse('show')

Shows a collapsible element.

.collapse('hide')

Hides a collapsible element.

Events

FI-WARE style guide's collapse class exposes a few events for hooking into collapse functionality.

Event 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).
  1. $('#myCollapsible').on('hidden', function () {
  2. // do something…
  3. })

Example

A basic, easily extended plugin for quickly creating elegant typeaheads with any form text input.

  1. <input type="text" data-provide="typeahead">

You'll want to set autocomplete="off" to prevent default browser menus from appearing over the FI-WARE style guide typeahead dropdown.


Usage

Via data attributes

Add data attributes to register an element with typeahead functionality as shown in the example above.

Via JavaScript

Call the typeahead manually with:

  1. $('.typeahead').typeahead()

Options

Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-source="".

Name type default description
source array, function [ ] The data source to query against. May be an array of strings or a function. The function is passed two arguments, the query value in the input field and the process callback. The function may be used synchronously by returning the data source directly or asynchronously via the process callback's single argument.
items number 8 The max number of items to display in the dropdown.
minLength number 1 The minimum character length needed before triggering autocomplete suggestions
matcher function case insensitive The method used to determine if a query matches an item. Accepts a single argument, the item against which to test the query. Access the current query with this.query. Return a boolean true if query is a match.
sorter function exact match,
case sensitive,
case insensitive
Method used to sort autocomplete results. Accepts a single argument items and has the scope of the typeahead instance. Reference the current query with this.query.
updater function returns selected item The method used to return selected item. Accepts a single argument, the item and has the scope of the typeahead instance.
highlighter function highlights all default matches Method used to highlight autocomplete results. Accepts a single argument item and has the scope of the typeahead instance. Should return html.

Methods

.typeahead(options)

Initializes an input with a typeahead.

Example

The subnavigation on the left is a live demo of the affix plugin.


Usage

Via data attributes

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.

  1. <div data-spy="affix" data-offset-top="200">...</div>
Heads up! You must manage the position of a pinned element and the behavior of its immediate parent. Position is controlled by affix, affix-top, and affix-bottom. Remember to check for a potentially collapsed parent when the affix kicks in as it's removing content from the normal flow of the page.

Via JavaScript

Call the affix plugin via JavaScript:

  1. $('#navbar').affix()

Options

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 listen for a single direction, or multiple unique offsets, just provide an object offset: { x: 10 }. Use a function when you need to dynamically provide an offset (useful for some responsive designs).