Propiedad HTML Audio/Video DOM audioTracks

❮ Referencia de DOM de audio/vídeo HTML

Ejemplo

Obtenga el número de pistas de audio disponibles:

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

Definición y uso

La propiedad audioTracks devuelve un objeto AudioTrackList.

El objeto AudioTrackList representa las pistas de audio disponibles para el audio/video.

Cada pista de audio disponible está representada por un objeto AudioTrack.


Compatibilidad con navegador

Property
audioTracks Not supported 11 Not supported Not supported Not supported

Sintaxis

audio|video.audioTracks

Valor devuelto

Type Description
AudioTrackList Object Represents the available audio tracks for the audio/video.

AudioTrackList Object:

  • audioTracks.length - get the number of audio tracks available
  • audioTracks.getTrackById(id) - get AudioTrack object by id
  • audioTracks[index] - get AudioTrack object by index

Note: The first available AudioTrack object is index 0

AudioTrack Object Represents an audio track.

AudioTrack Object Properties:

  • id - get the id of the audio track
  • kind - get the type of the audio track (can be: "alternative", "description", "main", "translation", "commentary", or "" (empty string)) 
  • label - get the label of the audio track
  • language - get the language of the audio track
  • enabled - get or set if the track is active (true|false)

❮ Referencia de DOM de audio/vídeo HTML