TextTrackList: change event

The change event is fired when a text track is made active or inactive, or a TextTrackList is otherwise changed.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener('change', event => { })

onchange = event => { }

Event type

A generic Event with no added properties.

Examples

Using addEventListener():

const mediaElement = document.querySelectorAll('video, audio')[0];
mediaElement.textTracks.addEventListener('change', (event) => {
    console.log(`'${event.type}' event fired`);
});

Using the onchange event handler property:

const mediaElement = document.querySelector('video, audio');
mediaElement.textTracks.onchange = (event) => {
    console.log(`'${event.type}' event fired`);
};

Specifications

Specification
HTML Standard # event-media-change
HTML Standard # handler-tracklist-onchange

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`change_event`	33	18	31	No	20	7	4.4	33	31	20	7	2.0

Name	Web APIs
Version
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Last Updated	2022-04-27T09:33:08Z