Web/API/TextTrackList/change event

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

Bubbles	No
Cancelable	No
Interface	Event
Event handler property	onchange

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	Status
HTML Living StandardThe definition of 'change' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
change event	Chrome Full support Yes	Edge Full support ≤79	Firefox ?	IE ?	Opera ?	Safari ?	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

Compatibility unknown  

Compatibility unknown

See also

• Related events: addtrack, removetrack
• This event on VideoTrackList targets: change
• This event on AudioTrackList targets: change
• Media Streams API
• WebRTC

TextTrackList: change event by Mozilla Contributors is licensed under CC-BY-SA 2.5.