The change
event is fired when an audio track is enabled or disabled, for example by changing the track's enabled
property.
Bubbles | No |
---|---|
Cancelable | No |
Interface | Event |
Event handler property | onchange |
Examples
Using addEventListener()
:
const videoElement = document.querySelector('video');
videoElement.audioTracks.addEventListener('change', (event) => {
console.log(`'${event.type}' event fired`);
});
// changing the value of `enabled` will trigger the `change` event
const toggleTrackButton = document.querySelector('.toggle-track');
toggleTrackButton.addEventListener('click', () => {
const track = videoElement.audioTracks[0];
track.enabled = !track.enabled;
});
Using the onchange
event handler property:
const videoElement = document.querySelector('video');
videoElement.audioTracks.onchange = (event) => {
console.log(`'${event.type}' event fired`);
};
// changing the value of `enabled` will trigger the `change` event
const toggleTrackButton = document.querySelector('.toggle-track');
toggleTrackButton.addEventListener('click', () => {
const track = videoElement.audioTracks[0];
track.enabled = !track.enabled;
});
Specifications
Specification | Status |
---|---|
HTML Living Standard The definition of 'change' in that specification. |
Living Standard |
Browser compatibility
BCD tables only load in the browser
See also
- Related events:
addtrack
,removetrack
- This event on
VideoTrackList
targets:change
- Media Streams API
- WebRTC API