HTML Audio/Video DOM textTracks Property
HTML Audio/Video DOM Reference
Example
Get the number of available text tracks:
var vid = document.getElementById("myVideo");
alert(vid.textTracks.length);
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Definition and Usage
The textTracks property returns a TextTrackList object.
The TextTrackList object represents the available text tracks for the audio/video.
Each available text track is represented by an TextTrack Object.
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Property |
|
|
|
|
|
textTracks |
Yes |
10.0 |
33.0 |
6.0 |
Yes |
Syntax
Return Value
Type |
Description |
TextTrackList Object |
Represents the available text tracks for the the audio/video.
TextioTrackList Object:
- length - get the number of text tracks available in the audio/video
- [index] - get TextTrack object by index
Note: The first available TextTrack object is index 0
|
TextTrack Object |
Represents an text track. TextTrack Object Properties:
- kind - get the type of the text track (can be: "subtitles",
"caption", "descriptions", "chapters", or "metadata")
- label - get the label of the text track
- language - get the language of the text track
- mode - get or set if the track is active ("disabled"|"hidden"|"showing")
- cues - get a list of cues as a TextTrackCueList object
- activeCues - get the currently active text track cues as a
TextTrackCueList object
- addCue(cue) - add a cue to the list of cues
- removeCue(cue) - remove a cue from the list of cues
|
HTML Audio/Video DOM Reference
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