TextTrack(options)

A representation of a single TextTrack.

new TextTrack(options)
tracks/text-track.js, line 123

Create an instance of this class.

Parameters:
Name Type Default Description
options Object {}

Object of option names and values

Properties
Name Type Attributes Default Description
tech Tech

A reference to the tech that owns this TextTrack.
kind TextTrack~Kind <optional>
 'subtitles'

A valid text track kind.
mode TextTrack~Mode <optional>
 'disabled'

A valid text track mode.
id string <optional>
 'vjs_track_' + Guid.newGUID()

A unique id for this TextTrack.
label string <optional>
 ''

The menu label for this track.
language string <optional>
 ''

A valid two character language code.
srclang string <optional>
 ''

A valid two character language code. An alternative, but deprioritized version of options.language
src string <optional>

A url to TextTrack cues.
default boolean <optional>

If this track should default to on or off.
See:

Extends

Members

activeCues :TextTrackCueList
tracks/text-track.js, line 290

The list text track cues that are currently active for this TextTrack.

allowedEvents_
tracks/text-track.js, line 419

cuechange - One or more cues in the track have become active or stopped being active.

Overrides:
  • Track#allowedEvents_

cues :TextTrackCueList
tracks/text-track.js, line 273

The text track cue list for this TextTrack.

readonly default :boolean
tracks/text-track.js, line 212

If this track was set to be on or off by default. Cannot be changed after creation.

readonly id :string
tracks/track.js, line 50

The id of this track. Cannot be changed after creation.

Overrides:

readonly kind :string
tracks/track.js, line 59

The kind of track that this is. Cannot be changed after creation.

Overrides:

label :string
tracks/track.js, line 87

The label of this track. Cannot be changed after creation.

Overrides:
Fires:

readonly language :string
tracks/track.js, line 68

The two letter language code for this track. Cannot be changed after creation.

Overrides:

mode :string
tracks/text-track.js, line 228

Set the mode of this TextTrack to a valid TextTrack~Mode. Will not be set if setting to an invalid mode.

Fires:

Methods

addCue(cue)
tracks/text-track.js, line 366

Add a cue to the internal list of cues.

Parameters:
Name Type Description
cue TextTrack~Cue

The cue to add to our internal list

addEventListener()
event-target.js, line 75

An alias of EventTarget#on. Allows EventTarget to mimic the standard DOM API.

Overrides:
See:

dispatchEvent()
event-target.js, line 175

An alias of EventTarget#trigger. Allows EventTarget to mimic the standard DOM API.

Overrides:
See:

off(type, fn)
event-target.js, line 88

Removes an event listener for a specific event from an instance of EventTarget. This makes it so that the event listener will no longer get called when the named event happens.

Parameters:
Name Type Description
type string | Array.<string>

An event name or an array of event names.
fn EventTarget~EventListener

The function to remove.
Overrides:

on(type, fn)
event-target.js, line 58

Adds an event listener to an instance of an EventTarget. An event listener is a function that will get called when an event with a certain name gets triggered.

Parameters:
Name Type Description
type string | Array.<string>

An event name or an array of event names.
fn EventTarget~EventListener

The function to call with EventTargets
Overrides:

one(type, fn)
event-target.js, line 112

This function will add an event listener that gets triggered only once. After the first trigger it will get removed. This is like adding an event listener with EventTarget#on that calls EventTarget#off on itself.

Parameters:
Name Type Description
type string | Array.<string>

An event name or an array of event names.
fn EventTarget~EventListener

The function to be called once for each event name.
Overrides:

removeCue(removeCue)
tracks/text-track.js, line 401

Remove a cue from our internal list

Parameters:
Name Type Description
removeCue TextTrack~Cue

The cue to remove from our internal list

removeEventListener()
event-target.js, line 99

An alias of EventTarget#off. Allows EventTarget to mimic the standard DOM API.

Overrides:
See:

trigger(event)
event-target.js, line 148

This function causes an event to happen. This will then cause any event listeners that are waiting for that event, to get called. If there are no event listeners for an event then nothing will happen.

If the name of the Event that is being triggered is in EventTarget.allowedEvents_. Trigger will also call the on + uppercaseEventName function.

Example: 'click' is in EventTarget.allowedEvents_, so, trigger will attempt to call onClick if it exists.

Parameters:
Name Type Description
event string | EventTarget~Event | Object

The name of the event, an Event, or an object with a key of type set to an event name.
Overrides:

Type Definitions

Kind
tracks/track-enums.js, line 37

All possible TextTrackKinds

See:

Mode
tracks/track-enums.js, line 52

All possible TextTrackModes

See:

Events

labelchange
tracks/track.js, line 103

An event that fires when label changes on this track.

Note: This is not part of the spec!

Type:
Overrides:

modechange
tracks/text-track.js, line 259

An event that fires when mode changes on this track. This allows the TextTrackList that holds this track to act accordingly.

Note: This is not part of the spec!

Type: