Mafuta video videoTracks

HTML DOM Video muhimbili

Maelezo na matumizi

videoTracks Mafuta hulifu mafuta VideoTrackList.

Mafuta VideoTrackList inasimuliwa na mafuta video ya kina inayotumika.

Kila mafuta video inayotumika inasimuliwa na mafuta VideoTrack moja.

Mfano

Kupata namba ya mafuta video inayotumika:

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

Jifunze tena

Inayotumika

matokeo video.videoTracks

Matokeo

Aina Maelezo
Mafuta VideoTrackList

Inaonyesha mafuta video ya kina inayotumika.

Mafuta VideoTrackList:

  • videoTracks.length - Kupoa namba ya mafuta video ya kina inayotumika
  • videoTracks.getTrackById(id] - Pata mafuta VideoTrack kwa id
  • videoTracks[indeksi] - Pata mafuta VideoTrack kwa indeksi
  • videoTracks.selectedIndex - Kupoa indeksi cha mafuta VideoTrack wa sasa

Kutia:Mafuta VideoTrack ya kwanza ina indeksi 0.
Mafuta VideoTrack

Inaonyesha kina video.

Mafuta VideoTrack:

  • id - Kupoa id cha kina video
  • kind - Kupoa aina cha kina video
  • label - Kupoa kitendo cha kina video
  • language - Kupata lugha ya mstari
  • selected - Kupata au kubadilisha ukweli wa mstari unaopitia hali ya kufikia (true|false)

Jaribu ya kina:

  • "alternative"
  • "captions"
  • "main"
  • "sign"
  • "subtitles"
  • "commentary"
  • "" (barua ya kiumili)

Mwongozo wa kufikia

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HTML DOM Video muhimbili