HTML Audio/Video DOMvideoTracksProperty

Examples

Get the number of available video tracks:

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

The videoTracks property returns a VideoTrackList object.

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

Each available video track is represented by a VideoTrack object.

All mainstream browsers do not support the videoTracks property.

video.videoTracks

Type	Description
VideoTrackList object	Represents the available video tracks of a video. VideoTrackList object: videoTracks.length - Get the number of available video tracks in the video videoTracks.getTrackById(id) - Get the VideoTrack object by id videoTracks[index] - Get the VideoTrack object by index videoTracks.selectedIndex - Get the index of the current VideoTrack object Note:The index of the first available VideoTrack objectindexis 0.
VideoTrack object	Represents a video track. Properties of the 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

VideoTrackList object

Represents the available video tracks of a video.

VideoTrackList object:

Note:The index of the first available VideoTrack objectindexis 0.

VideoTrack object

Represents a video track.

Properties of the 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)