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.
A Promise that resolves with undefined.
The following example prints the value of ready to the console, this will be undefined once the promise resolves.
let tracks = imageDecoder.tracks; let ready = await tracks.ready; console.log(ready);
| Specification |
|---|
| WebCodecs> # dom-imagetracklist-ready> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
ready |
94 | 94 | 133 | 80 | No | 94 | 133 | 66 | No | 17.0 | 94 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/ImageTrackList/ready