VideoTrackList
interface is used to represent a list of the video tracks contained within a <video>
element, with each track represented by a separate VideoTrack
object in the list.HTMLMediaElement.videoTracks
. The individual tracks can be accessed using array syntax or functions such as forEach()
for example.The number of tracks in the list.
Promise<number>
The index of the currently selected track, if any, or −1
otherwise.
Promise<number>
Returns the VideoTrack
found within the VideoTrackList
whose id
matches the specified string. If no match is found, null
is returned.
string
. A string
indicating the ID of the track to locate within the track list.VideoTrack
onaddtrack | onchange |
onremovetrack |
addEventListener() | dispatchEvent() |
removeEventListener() |