ImageTrackList: ready property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Note: This feature is available in Dedicated Web Workers.

The ready property of the ImageTrackList interface returns a Promise that resolves when the ImageTrackList is populated with tracks.

Value

A Promise that resolves with undefined.

Examples

The following example prints the value of ready to the console, this will be undefined once the promise resolves.

js
let tracks = imageDecoder.tracks;
let ready = await tracks.ready;
console.log(ready);

Specifications

Specification
WebCodecs
# dom-imagetracklist-ready

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
ready

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support