This feature is not Baseline because it does not work in some of the most widely-used browsers.
The removetrack event is fired when a video track is removed from a VideoTrackList.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("removetrack", (event) => { })
onremovetrack = (event) => { }
A TrackEvent. Inherits from Event.
In addition to the properties listed below, properties from the parent interface, Event, are available.
track Read only
The newly-removed VideoTrack the event is in reference to.
Using addEventListener():
const videoElement = document.querySelector("video");
videoElement.videoTracks.addEventListener("removetrack", (event) => {
console.log(`Video track: ${event.track.label} removed`);
});
Using the onremovetrack event handler property:
const videoElement = document.querySelector("video");
videoElement.videoTracks.onremovetrack = (event) => {
console.log(`Video track: ${event.track.label} removed`);
};
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
removetrack_event |
37 | 7912–79 | 33 | 24 | 7 | 37 | No | No | 7 | No | No | 7 |
addtrack, change
AudioTrackList targets: removetrack
MediaStream targets: removetrack
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https://developer.mozilla.org/en-US/docs/Web/API/VideoTrackList/removetrack_event