## Tabs Widget version added: 1.0

Description: A single content area with multiple panels, each associated with a header in a list.

## QuickNavExamples

Tabs are generally used to break content into multiple sections that can be swapped to save space, much like an accordion.

The content for each tab panel can be defined in-page or can be loaded via Ajax; both are handled automatically based on the `href` of the anchor associated with the tab. By default tabs are activated on click, but the events can be changed to hover via the `event` option.

### Keyboard interaction

When focus is on a tab, the following key commands are available:

- UP/LEFT: Move focus to the previous tab. If on first tab, moves focus to last tab. Activate focused tab after a short delay.
- DOWN/RIGHT: Move focus to the next tab. If on last tab, moves focus to first tab. Activate focused tab after a short delay.
- HOME: Move focus to the first tab. Activate focused tab after a short delay.
- END: Move focus to the last tab. Activate focused tab after a short delay.
- SPACE: Activate panel associated with focused tab.
- ENTER: Activate or toggle panel associated with focused tab.
- ALT+PAGE UP: Move focus to the previous tab and immediately activate.
- ALT+PAGE DOWN: Move focus to the next tab and immediately activate.

When focus is in a panel, the following key commands are available:

- CTRL+UP: Move focus to associated tab.
- ALT+PAGE UP: Move focus to the previous tab and immediately activate.
- ALT+PAGE DOWN: Move focus to the next tab and immediately activate.

### Dependencies

- UI Core
- Widget Factory
- Effects Core (optional; for use with the `show` and `hide` options)

### Additional Notes:

- This widget requires some functional CSS, otherwise it won't work. If you build a custom theme, use the widget's specific CSS file as a starting point.

## Options

### activeType: Boolean or Integer

Default: `0`
Which panel is currently open.
Multiple types supported:

- Boolean: Setting `active` to `false` will collapse all panels. This requires the `collapsible` option to be `true`.
- Integer: The zero-based index of the panel that is active (open). A negative value selects panels going backward from the last panel.

Code examples:

Initialize the tabs with the `active` option specified:

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    $( ".selector" ).tabs({ active: 1 });

Get or set the `active` option, after initialization:

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    // gettervar active = $( ".selector" ).tabs( "option", "active" ); // setter$( ".selector" ).tabs( "option", "active", 1 );

### collapsibleType: Boolean

Default: `false`
When set to `true`, the active panel can be closed.
Code examples:

Initialize the tabs with the `collapsible` option specified:

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    $( ".selector" ).tabs({ collapsible: true });

Get or set the `collapsible` option, after initialization:

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    // gettervar collapsible = $( ".selector" ).tabs( "option", "collapsible" ); // setter$( ".selector" ).tabs( "option", "collapsible", true );

### disabledType: Boolean or Array

Default: `false`
Which tabs are disabled.
Multiple types supported:

- Boolean: Enable or disable all tabs.
- Array: An array containing the zero-based indexes of the tabs that should be disabled, e.g., `[ 0, 2 ]` would disable the first and third tab.

Code examples:

Initialize the tabs with the `disabled` option specified:

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    $( ".selector" ).tabs({ disabled: [ 0, 2 ] });

Get or set the `disabled` option, after initialization:

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    // gettervar disabled = $( ".selector" ).tabs( "option", "disabled" ); // setter$( ".selector" ).tabs( "option", "disabled", [ 0, 2 ] );

### eventType: String

Default: `"click"`
The type of event that the tabs should react to in order to activate the tab. To activate on hover, use `"mouseover"`.
Code examples:

Initialize the tabs with the `event` option specified:

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    $( ".selector" ).tabs({ event: "mouseover" });

Get or set the `event` option, after initialization:

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    // gettervar event = $( ".selector" ).tabs( "option", "event" ); // setter$( ".selector" ).tabs( "option", "event", "mouseover" );

### heightStyleType: String

Default: `"content"`
Controls the height of the tabs widget and each panel. Possible values:

- `"auto"`: All panels will be set to the height of the tallest panel.
- `"fill"`: Expand to the available height based on the tabs' parent height.
- `"content"`: Each panel will be only as tall as its content.

Code examples:

Initialize the tabs with the `heightStyle` option specified:

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    $( ".selector" ).tabs({ heightStyle: "fill" });

Get or set the `heightStyle` option, after initialization:

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    // gettervar heightStyle = $( ".selector" ).tabs( "option", "heightStyle" ); // setter$( ".selector" ).tabs( "option", "heightStyle", "fill" );

### hideType: Boolean or Number or String or Object

Default: `null`
If and how to animate the hiding of the panel.
Multiple types supported:

- Boolean: When set to `false`, no animation will be used and the panel will be hidden immediately. When set to `true`, the panel will fade out with the default duration and the default easing.
- Number: The panel will fade out with the specified duration and the default easing.
- String: The panel will be hidden using the specified effect. The value can either be the name of a built-in jQuery animateion method, such as `"slideUp"`, or the name of a jQuery UI effect, such as `"fold"`. In either case the effect will be used with the default duration and the default easing.
- Object: If the value is an object, then `effect`, `duration`, and `easing` properties may be provided. If the `effect` property contains the name of a jQuery method, then that method will be used; otherwise it is assumed to be the name of a jQuery UI effect. When using a jQuery UI effect that supports additional settings, you may include those settings in the object and they will be passed to the effect. If `duration` or `easing` is omitted, then the default values will be used. If `effect` is omitted, then `"fadeOut"` will be used.

Code examples:

Initialize the tabs with the `hide` option specified:

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    $( ".selector" ).tabs({ hide: { effect: "explode", duration: 1000 } });

Get or set the `hide` option, after initialization:

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    // gettervar hide = $( ".selector" ).tabs( "option", "hide" ); // setter$( ".selector" ).tabs( "option", "hide", { effect: "explode", duration: 1000 } );

### showType: Boolean or Number or String or Object

Default: `null`
If and how to animate the showing of the panel.
Multiple types supported:

- Boolean: When set to `false`, no animation will be used and the panel will be shown immediately. When set to `true`, the panel will fade in with the default duration and the default easing.
- Number: The panel will fade in with the specified duration and the default easing.
- String: The panel will be shown using the specified effect. The value can either be the name of a built-in jQuery animateion method, such as `"slideDown"`, or the name of a jQuery UI effect, such as `"fold"`. In either case the effect will be used with the default duration and the default easing.
- Object: If the value is an object, then `effect`, `duration`, and `easing` properties may be provided. If the `effect` property contains the name of a jQuery method, then that method will be used; otherwise it is assumed to be the name of a jQuery UI effect. When using a jQuery UI effect that supports additional settings, you may include those settings in the object and they will be passed to the effect. If `duration` or `easing` is omitted, then the default values will be used. If `effect` is omitted, then `"fadeIn"` will be used.

Code examples:

Initialize the tabs with the `show` option specified:

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    $( ".selector" ).tabs({ show: { effect: "blind", duration: 800 } });

Get or set the `show` option, after initialization:

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    // gettervar show = $( ".selector" ).tabs( "option", "show" ); // setter$( ".selector" ).tabs( "option", "show", { effect: "blind", duration: 800 } );

## Methods

### destroy()Returns: jQuery (plugin only)

Removes the tabs functionality completely. This will return the element back to its pre-init state.

- This method does not accept any arguments.

Code examples:

Invoke the destroy method:

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    $( ".selector" ).tabs( "destroy" );

### disable()Returns: jQuery (plugin only)

Disables all tabs.

- This signature does not accept any arguments.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "disable" );

### disable( index )Returns: jQuery (plugin only)

Disables a tab. The selected tab cannot be disabled. To disable more than one tab at once, set the `disabled` option: `$( "#tabs" ).tabs( "option", "disabled", [ 1, 2, 3 ] )`.

- index
  Type: Number or String
  Which tab to disable.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "disable", 1 );

### enable()Returns: jQuery (plugin only)

Enables all tabs.

- This signature does not accept any arguments.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "enable" );

### enable( index )Returns: jQuery (plugin only)

Enables a tab. To enable more than one tab at once reset the disabled property like: `$( "#example" ).tabs( "option", "disabled", [] );`.

- index
  Type: Number or String
  Which tab to enable.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "enable", 1 );

### load( index )Returns: jQuery (plugin only)

Loads the panel content of a remote tab.

- index
  Type: Number or String
  Which tab to load.

Code examples:

Invoke the load method:

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    $( ".selector" ).tabs( "load", 1 );

### option( optionName )Returns: Object

Gets the value currently associated with the specified `optionName`.

- optionName
  Type: String
  The name of the option to get.

Code examples:

Invoke the method:

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    var isDisabled = $( ".selector" ).tabs( "option", "disabled" );

### option()Returns: PlainObject

Gets an object containing key/value pairs representing the current tabs options hash.

- This signature does not accept any arguments.

Code examples:

Invoke the method:

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    var options = $( ".selector" ).tabs( "option" );

### option( optionName, value )Returns: jQuery (plugin only)

Sets the value of the tabs option associated with the specified `optionName`.

- optionName
  Type: String
  The name of the option to set.
- value
  Type: Object
  A value to set for the option.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "option", "disabled", true );

### option( options )Returns: jQuery (plugin only)

Sets one or more options for the tabs.

- options
  Type: Object
  A map of option-value pairs to set.

Code examples:

Invoke the method:

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    $( ".selector" ).tabs( "option", { disabled: true } );

### refresh()Returns: jQuery (plugin only)

Process any tabs that were added or removed directly in the DOM and recompute the height of the tab panels. Results depend on the content and the `heightStyle` option.

- This method does not accept any arguments.

Code examples:

Invoke the refresh method:

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    $( ".selector" ).tabs( "refresh" );

### widget()Returns: jQuery

Returns a `jQuery` object containing the tabs container.

- This method does not accept any arguments.

Code examples:

Invoke the widget method:

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    var widget = $( ".selector" ).tabs( "widget" );

## Events

### activate( event, ui )Type: `tabsactivate`

Triggered after a tab has been activated (after animation completes). If the tabs were previously collapsed, `ui.oldTab` and `ui.oldPanel` will be empty jQuery objects. If the tabs are collapsing, `ui.newTab` and `ui.newPanel` will be empty jQuery objects.

- event
  Type: Event
- ui
  Type: Object
  - newTab
    Type: jQuery
    The tab that was just activated.
  - oldTab
    Type: jQuery
    The tab that was just deactivated.
  - newPanel
    Type: jQuery
    The panel that was just activated.
  - oldPanel
    Type: jQuery
    The panel that was just deactivated.

Code examples:

Initialize the tabs with the activate callback specified:

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    $( ".selector" ).tabs({  activate: function( event, ui ) {}});

Bind an event listener to the tabsactivate event:

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    $( ".selector" ).on( "tabsactivate", function( event, ui ) {} );

### beforeActivate( event, ui )Type: `tabsbeforeactivate`

Triggered directly after a tab is activated. Can be canceled to prevent the tab from activating. If the tabs are currently collapsed, `ui.oldTab` and `ui.oldPanel` will be empty jQuery objects. If the tabs are collapsing, `ui.newTab` and `ui.newPanel` will be empty jQuery objects.

- event
  Type: Event
- ui
  Type: Object
  - newTab
    Type: jQuery
    The tab that is about to be activated.
  - oldTab
    Type: jQuery
    The tab that is about to be deactivated.
  - newPanel
    Type: jQuery
    The panel that is about to be activated.
  - oldPanel
    Type: jQuery
    The panel that is about to be deactivated.

Code examples:

Initialize the tabs with the beforeActivate callback specified:

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    $( ".selector" ).tabs({  beforeActivate: function( event, ui ) {}});

Bind an event listener to the tabsbeforeactivate event:

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    $( ".selector" ).on( "tabsbeforeactivate", function( event, ui ) {} );

### beforeLoad( ui )Type: `tabsbeforeload`

Triggered when a remote tab is about to be loaded, after the `beforeActivate` event. Can be canceled to prevent the tab panel from loading content; though the panel will still be activated. This event is triggered just before the Ajax request is made, so modifications can be made to `ui.jqXHR` and `ui.ajaxSettings`.

Note: Although `ui.ajaxSettings` is provided and can be modified, some of these settings have already been processed by jQuery. For example, prefilters have been applied, `data` has been processed, and `type` has been determined. The `beforeLoad` event occurs at the same time, and therefore has the same restrictions, as the `beforeSend` callback from `jQuery.ajax()`.

- ui
  Type: Object
  - tab
    Type: jQuery
    The tab that is being loaded.
  - panel
    Type: jQuery
    The panel which will be populated by the Ajax response.
  - jqXHR
    Type: jqXHR
    The `jqXHR` object that is requesting the content.
  - ajaxSettings
    Type: Object
    The settings that will be used by `jQuery.ajax` to request the content.

Code examples:

Initialize the tabs with the beforeLoad callback specified:

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    $( ".selector" ).tabs({  beforeLoad: function( event, ui ) {}});

Bind an event listener to the tabsbeforeload event:

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    $( ".selector" ).on( "tabsbeforeload", function( event, ui ) {} );

### create( event, ui )Type: `tabscreate`

Triggered when the tabs are created. If the tabs are collapsed, `ui.tab` and `ui.panel` will be empty jQuery objects.

- event
  Type: Event
- ui
  Type: Object
  - tab
    Type: jQuery
    The active tab.
  - panel
    Type: jQuery
    The active panel.

Code examples:

Initialize the tabs with the create callback specified:

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    $( ".selector" ).tabs({  create: function( event, ui ) {}});

Bind an event listener to the tabscreate event:

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    $( ".selector" ).on( "tabscreate", function( event, ui ) {} );

### load( event, ui )Type: `tabsload`

Triggered after a remote tab has been loaded.

- event
  Type: Event
- ui
  Type: Object
  - tab
    Type: jQuery
    The tab that was just loaded.
  - panel
    Type: jQuery
    The panel which was just populated by the Ajax response.

Code examples:

Initialize the tabs with the load callback specified:

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    $( ".selector" ).tabs({  load: function( event, ui ) {}});

Bind an event listener to the tabsload event:

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    $( ".selector" ).on( "tabsload", function( event, ui ) {} );

## Example:

#### A simple jQuery UI Tabs

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    <!doctype html><html lang="en"><head>  <meta charset="utf-8">  <title>tabs demo</title>  <link rel="stylesheet" href="//code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css">  <script src="//code.jquery.com/jquery-1.8.3.js"></script>  <script src="//code.jquery.com/ui/1.9.2/jquery-ui.js"></script></head><body> <div id="tabs">  <ul>    <li><a href="#fragment-1"><span>One</span></a></li>    <li><a href="#fragment-2"><span>Two</span></a></li>    <li><a href="#fragment-3"><span>Three</span></a></li>  </ul>  <div id="fragment-1">    <p>First tab is active by default:</p>    <pre><code>$( "#tabs" ).tabs(); </code></pre>  </div>  <div id="fragment-2">    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.  </div>  <div id="fragment-3">    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.  </div></div> <script>$( "#tabs" ).tabs();</script> </body></html>

#### Demo: