Reference Manual

HTML Tags

Get the number of available video tracks:

myVid=document.getElementById("video1");
alert(myVid.videoTracks.length);

The videoTracks attribute returns a VideoTrackList object.

The VideoTrackList object represents the available video tracks of the video.

The VideoTrack object represents each available video track.

No mainstream browser supports the videoTracks attribute.

video.videoTracks

type	description
TextTrackList object	represents the available video tracks of the video. VideoTrackList object: videoTracks.length - the number of available video tracks in the video videoTracks.getTrackById(id) - Get VideoTrack object by id videoTracks[index] - Get VideoTrack object by index videoTracks.selectedIndex - Get the index of the current VideoTrack object Note:The index of the first available VideoTrack object is 0.
TextTrack Object	Represents a video track. Properties of VideoTrack Object: id - Get the id of the video track kind - Get the type of the video track (can be "alternative", "captions", "main", "sign", "subtitles", "commentary", or "" (empty string)) label - Get the label of the video track language - Get the language of the video track selected - Get or set whether the video track is active (true\|false)

type

description

TextTrackList object

represents the available video tracks of the video.

VideoTrackList object:

Note:The index of the first available VideoTrack object is 0.

TextTrack Object

Represents a video track.

Properties of VideoTrack Object:

id - Get the id of the video track
kind - Get the type of the video track (can be "alternative", "captions", "main", "sign", "subtitles", "commentary", or "" (empty string))
label - Get the label of the video track
language - Get the language of the video track
selected - Get or set whether the video track is active (true|false)