mirror of
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509 lines
13 KiB
Markdown
509 lines
13 KiB
Markdown
<!-- GENERATED FROM SOURCE -->
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# vjs.TextTrackDisplay
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__EXTENDS__: [vjs.Component](vjs.Component.md)
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__DEFINED IN__: [src/js/tracks.js#L710](https://github.com/videojs/video.js/blob/master/src/js/tracks.js#L710)
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The component for displaying text track cues
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---
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## INDEX
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- [METHODS](#methods)
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- [init](#init-player-options-ready-)
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- [addChild](#addchild-child-options-) _`inherited`_
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- [addClass](#addclass-classtoadd-) _`inherited`_
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- [buildCSSClass](#buildcssclass) _`inherited`_
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- [children](#children) _`inherited`_
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- [contentEl](#contentel) _`inherited`_
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- [createEl](#createel-tagname-attributes-) _`inherited`_
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- [dimensions](#dimensions-width-height-) _`inherited`_
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- [disable](#disable) _`inherited`_
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- [dispose](#dispose) _`inherited`_
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- [el](#el) _`inherited`_
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- [getChild](#getchild-name-) _`inherited`_
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- [getChildById](#getchildbyid-id-) _`inherited`_
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- [height](#height-num-skiplisteners-) _`inherited`_
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- [hide](#hide) _`inherited`_
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- [id](#id) _`inherited`_
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- [initChildren](#initchildren) _`inherited`_
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- [name](#name) _`inherited`_
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- [off](#off-type-fn-) _`inherited`_
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- [on](#on-type-fn-) _`inherited`_
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- [one](#one-type-fn-) _`inherited`_
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- [options](#options-obj-) _`inherited`_
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- [player](#player) _`inherited`_
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- [ready](#ready-fn-) _`inherited`_
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- [removeChild](#removechild-component-) _`inherited`_
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- [removeClass](#removeclass-classtoremove-) _`inherited`_
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- [show](#show) _`inherited`_
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- [trigger](#trigger-type-event-) _`inherited`_
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- [triggerReady](#triggerready) _`inherited`_
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- [width](#width-num-skiplisteners-) _`inherited`_
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- [EVENTS](#events)
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- [resize](#resize-event) _`inherited`_
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---
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## METHODS
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### addChild( child, [options] )
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> Adds a child component inside this component
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>
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> myComponent.el();
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> // -> <div class='my-component'></div>
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> myComonent.children();
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> // [empty array]
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>
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> var myButton = myComponent.addChild('MyButton');
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> // -> <div class='my-component'><div class="my-button">myButton<div></div>
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> // -> myButton === myComonent.children()[0];
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>
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> Pass in options for child constructors and options for children of the child
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>
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> var myButton = myComponent.addChild('MyButton', {
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> text: 'Press Me',
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> children: {
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> buttonChildExample: {
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> buttonChildOption: true
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> }
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> }
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> });
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##### PARAMETERS:
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* __child__ `String|vjs.Component` The class name or instance of a child to add
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* __options__ `Object` _(OPTIONAL)_ Options, including options to be passed to children of the child.
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##### RETURNS:
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* `vjs.Component` The child component (created by this process if a string was used)
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_inherited from_: [src/js/component.js#L343](https://github.com/videojs/video.js/blob/master/src/js/component.js#L343)
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---
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### addClass( classToAdd )
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> Add a CSS class name to the component's element
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##### PARAMETERS:
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* __classToAdd__ `String` Classname to add
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L628](https://github.com/videojs/video.js/blob/master/src/js/component.js#L628)
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---
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### buildCSSClass()
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> Allows sub components to stack CSS class names
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##### RETURNS:
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* `String` The constructed class name
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_inherited from_: [src/js/component.js#L471](https://github.com/videojs/video.js/blob/master/src/js/component.js#L471)
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---
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### children()
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> Get an array of all child components
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>
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> var kids = myComponent.children();
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##### RETURNS:
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* `Array` The children
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_inherited from_: [src/js/component.js#L277](https://github.com/videojs/video.js/blob/master/src/js/component.js#L277)
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---
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### contentEl()
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> Return the component's DOM element for embedding content.
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> Will either be el_ or a new element defined in createEl.
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##### RETURNS:
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* `Element`
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_inherited from_: [src/js/component.js#L220](https://github.com/videojs/video.js/blob/master/src/js/component.js#L220)
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---
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### createEl( [tagName], [attributes] )
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> Create the component's DOM element
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##### PARAMETERS:
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* __tagName__ `String` _(OPTIONAL)_ Element's node type. e.g. 'div'
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* __attributes__ `Object` _(OPTIONAL)_ An object of element attributes that should be set on the element
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##### RETURNS:
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* `Element`
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_inherited from_: [src/js/component.js#L190](https://github.com/videojs/video.js/blob/master/src/js/component.js#L190)
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---
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### dimensions( width, height )
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> Set both width and height at the same time
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##### PARAMETERS:
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* __width__ `Number|String`
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* __height__ `Number|String`
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##### RETURNS:
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* `vjs.Component` The component
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_inherited from_: [src/js/component.js#L737](https://github.com/videojs/video.js/blob/master/src/js/component.js#L737)
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---
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### disable()
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> Disable component by making it unshowable
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_inherited from_: [src/js/component.js#L691](https://github.com/videojs/video.js/blob/master/src/js/component.js#L691)
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---
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### dispose()
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> Dispose of the component and all child components
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_inherited from_: [src/js/component.js#L74](https://github.com/videojs/video.js/blob/master/src/js/component.js#L74)
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---
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### el()
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> Get the component's DOM element
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>
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> var domEl = myComponent.el();
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##### RETURNS:
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* `Element`
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_inherited from_: [src/js/component.js#L201](https://github.com/videojs/video.js/blob/master/src/js/component.js#L201)
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---
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### getChild( name )
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> Returns a child component with the provided name
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##### PARAMETERS:
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* __name__
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L311](https://github.com/videojs/video.js/blob/master/src/js/component.js#L311)
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---
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### getChildById( id )
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> Returns a child component with the provided ID
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##### PARAMETERS:
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* __id__
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L294](https://github.com/videojs/video.js/blob/master/src/js/component.js#L294)
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---
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### height( [num], [skipListeners] )
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> Get or set the height of the component (CSS values)
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>
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> Setting the video tag dimension values only works with values in pixels.
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> Percent values will not work.
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> Some percents can be used, but width()/height() will return the number + %,
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> not the actual computed width/height.
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##### PARAMETERS:
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* __num__ `Number|String` _(OPTIONAL)_ New component height
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* __skipListeners__ `Boolean` _(OPTIONAL)_ Skip the resize event trigger
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##### RETURNS:
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* `vjs.Component` This component, when setting the height
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* `Number|String` The height, when getting
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_inherited from_: [src/js/component.js#L726](https://github.com/videojs/video.js/blob/master/src/js/component.js#L726)
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---
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### hide()
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> Hide the component element if currently showing
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L659](https://github.com/videojs/video.js/blob/master/src/js/component.js#L659)
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---
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### id()
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> Get the component's ID
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>
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> var id = myComponent.id();
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##### RETURNS:
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* `String`
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_inherited from_: [src/js/component.js#L239](https://github.com/videojs/video.js/blob/master/src/js/component.js#L239)
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---
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### init( player, options, ready )
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##### PARAMETERS:
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* __player__
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* __options__
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* __ready__
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_defined in_: [src/js/tracks.js#L712](https://github.com/videojs/video.js/blob/master/src/js/tracks.js#L712)
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---
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### initChildren()
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> Add and initialize default child components from options
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>
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> // when an instance of MyComponent is created, all children in options
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> // will be added to the instance by their name strings and options
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> MyComponent.prototype.options_.children = {
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> myChildComponent: {
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> myChildOption: true
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> }
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> }
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_inherited from_: [src/js/component.js#L439](https://github.com/videojs/video.js/blob/master/src/js/component.js#L439)
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---
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### name()
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> Get the component's name. The name is often used to reference the component.
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>
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> var name = myComponent.name();
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##### RETURNS:
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* `String`
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_inherited from_: [src/js/component.js#L258](https://github.com/videojs/video.js/blob/master/src/js/component.js#L258)
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---
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### off( [type], [fn] )
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> Remove an event listener from the component's element
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>
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> myComponent.off("eventName", myFunc);
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##### PARAMETERS:
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* __type__ `String` _(OPTIONAL)_ Event type. Without type it will remove all listeners.
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* __fn__ `Function` _(OPTIONAL)_ Event listener. Without fn it will remove all listeners for a type.
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L510](https://github.com/videojs/video.js/blob/master/src/js/component.js#L510)
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---
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### on( type, fn )
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> Add an event listener to this component's element
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>
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> var myFunc = function(){
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> var myPlayer = this;
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> // Do something when the event is fired
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> };
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>
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> myPlayer.on("eventName", myFunc);
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>
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> The context will be the component.
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##### PARAMETERS:
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* __type__ `String` The event type e.g. 'click'
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* __fn__ `Function` The event listener
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##### RETURNS:
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* `vjs.Component` self
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_inherited from_: [src/js/component.js#L496](https://github.com/videojs/video.js/blob/master/src/js/component.js#L496)
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---
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### one( type, fn )
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> Add an event listener to be triggered only once and then removed
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##### PARAMETERS:
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* __type__ `String` Event type
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* __fn__ `Function` Event listener
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L522](https://github.com/videojs/video.js/blob/master/src/js/component.js#L522)
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---
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### options( obj )
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> Deep merge of options objects
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>
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> Whenever a property is an object on both options objects
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> the two properties will be merged using vjs.obj.deepMerge.
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>
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> This is used for merging options for child components. We
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> want it to be easy to override individual options on a child
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> component without having to rewrite all the other default options.
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>
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> Parent.prototype.options_ = {
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> children: {
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> 'childOne': { 'foo': 'bar', 'asdf': 'fdsa' },
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> 'childTwo': {},
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> 'childThree': {}
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> }
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> }
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> newOptions = {
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> children: {
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> 'childOne': { 'foo': 'baz', 'abc': '123' }
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> 'childTwo': null,
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> 'childFour': {}
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> }
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> }
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>
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> this.options(newOptions);
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>
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> RESULT
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>
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> {
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> children: {
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> 'childOne': { 'foo': 'baz', 'asdf': 'fdsa', 'abc': '123' },
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> 'childTwo': null, // Disabled. Won't be initialized.
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> 'childThree': {},
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> 'childFour': {}
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> }
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> }
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##### PARAMETERS:
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* __obj__ `Object` Object of new option values
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##### RETURNS:
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* `Object` A NEW object of this.options_ and obj merged
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_inherited from_: [src/js/component.js#L169](https://github.com/videojs/video.js/blob/master/src/js/component.js#L169)
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---
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### player()
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> Return the component's player
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##### RETURNS:
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* `vjs.Player`
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_inherited from_: [src/js/component.js#L116](https://github.com/videojs/video.js/blob/master/src/js/component.js#L116)
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---
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### ready( fn )
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> Bind a listener to the component's ready state
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>
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> Different from event listeners in that if the ready event has already happend
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> it will trigger the function immediately.
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##### PARAMETERS:
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* __fn__ `Function` Ready listener
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L581](https://github.com/videojs/video.js/blob/master/src/js/component.js#L581)
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---
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### removeChild( component )
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> Remove a child component from this component's list of children, and the
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> child component's element from this component's element
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##### PARAMETERS:
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* __component__ `vjs.Component` Component to remove
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_inherited from_: [src/js/component.js#L401](https://github.com/videojs/video.js/blob/master/src/js/component.js#L401)
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---
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### removeClass( classToRemove )
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> Remove a CSS class name from the component's element
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##### PARAMETERS:
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* __classToRemove__ `String` Classname to remove
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L639](https://github.com/videojs/video.js/blob/master/src/js/component.js#L639)
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---
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### show()
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> Show the component element if hidden
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L649](https://github.com/videojs/video.js/blob/master/src/js/component.js#L649)
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---
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### trigger( type, event )
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> Trigger an event on an element
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>
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> myComponent.trigger('eventName');
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##### PARAMETERS:
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* __type__ `String` The event type to trigger, e.g. 'click'
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* __event__ `Event|Object` The event object to be passed to the listener
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##### RETURNS:
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* `vjs.Component` self
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_inherited from_: [src/js/component.js#L536](https://github.com/videojs/video.js/blob/master/src/js/component.js#L536)
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---
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### triggerReady()
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> Trigger the ready listeners
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##### RETURNS:
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* `vjs.Component`
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_inherited from_: [src/js/component.js#L600](https://github.com/videojs/video.js/blob/master/src/js/component.js#L600)
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---
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### width( [num], skipListeners )
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> Set or get the width of the component (CSS values)
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>
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> Setting the video tag dimension values only works with values in pixels.
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> Percent values will not work.
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> Some percents can be used, but width()/height() will return the number + %,
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> not the actual computed width/height.
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##### PARAMETERS:
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* __num__ `Number|String` _(OPTIONAL)_ Optional width number
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* __skipListeners__ `Boolean` Skip the 'resize' event trigger
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##### RETURNS:
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* `vjs.Component` This component, when setting the width
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* `Number|String` The width, when getting
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_inherited from_: [src/js/component.js#L709](https://github.com/videojs/video.js/blob/master/src/js/component.js#L709)
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---
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## EVENTS
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### resize `EVENT`
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> Fired when the width and/or height of the component changes
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_inherited from_: [src/js/component.js#L816](https://github.com/videojs/video.js/blob/master/src/js/component.js#L816)
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---
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