The addCue()
method of the TextTrack
interface adds a new cue to the list of cues.
The addCue()
method of the TextTrack
interface adds a new cue to the list of cues.
js
addCue(cue)
cue
A TextTrackCue
.
Note: The TextTrackCue
interface is an abstract class used as the parent for other cue interfaces such as VTTCue
. Therefore, when adding a cue you will be using one of the cue types that inherit from TextTrackCue
.
Undefined.
InvalidStateError
DOMException
Thrown if the rules for this TextTrackList
do not match those that are appropriate for the incoming TextTrackCue
.
In the following example two cues are added to a video text track using addCue()
.
js
let video = document.querySelector("video"); let track = video.addTextTrack("captions", "Captions", "en"); track.mode = "showing"; track.addCue(new VTTCue(0, 0.9, "Hildy!")); track.addCue(new VTTCue(1, 1.4, "How are you?"));
Specification |
---|
HTML Standard # dom-texttrack-addcue-dev |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
addCue |
23 | 12 | 31 | 10 | ≤12.1 | 6 | 4.4 | 25 | 31 | ≤12.1 | 7 | 1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/TextTrack/addCue