TextTrackCueList.getCueById()

The getCueById() method of the TextTrackCueList interface returns the first VTTCue in the list represented by the TextTrackCueList object whose identifier matches the value of id.

Syntax

var cue = TextTrackCueList.getCueById(id);

Parameters

id

A DOMString which is an identifier for the cue.

Return value

A VTTCue object.

Examples

The TextTrack.cues property returns a TextTrackCueList containing the current cues for that particular track. Calling cues.getCueById("second") returns the VTTCue with an ID of "second".

WEBVTT

first
00:00:00.000 --> 00:00:00.999  line:80%
Hildy!

second
00:00:01.000 --> 00:00:01.499 line:80%
How are you?
let video = document.getElementById("video");
video.onplay = function () {
  console.log(video.textTracks[0].cues.getCueById("second")) // a VTTCue object;
}

Specifications

Specification
HTML Standard
# dom-texttrackcuelist-getcuebyid

Browser compatibility

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