HTML Audio/Video DOM videoTracks Properti

Referensi DOM Audio/Video HTML

Contoh

Dapatkan jumlah trek video yang tersedia:

var vid = document.getElementById("myVideo");
alert(vid.videoTracks.length);

Definisi dan Penggunaan

Properti videoTracks mengembalikan objek VideoTrackList.

Objek VideoTrackList mewakili trek video yang tersedia untuk video tersebut.

Setiap trek video yang tersedia diwakili oleh Objek VideoTrack.


Dukungan Peramban

Property
videoTracks Not supported Not supported Not supported Not supported Not supported

Sintaksis

video.videoTracks

Nilai Kembali

Type Description
VideoTrackList Object Represents the available video tracks for the video.

VideoTrackList Object:

  • videoTracks.length - get the number of video tracks available 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 first available VideoTrack object is index 0

VideoTrack Object Represents a video track.

VideoTrack Object Properties:

  • 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 if the track is active (true|false)

Referensi DOM Audio/Video HTML