ImageTrackList: selectedIndex 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 selectedIndex property of the ImageTrackList interface returns the index of the selected track.

Examples

The following example prints the value of selectedIndex to the console.

let tracks = imageDecoder.tracks;
console.log(tracks.selectedIndex);

Specification
WebCodecs # dom-imagetracklist-selectedindex

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`selectedIndex`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 133 (Release date: 2024-11-26) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – No support Safari footnote No support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – Full support Firefox for Android 133 (Release date: 2024-11-26) footnote Full support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – No support Safari on iOS footnote No support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – No support WebView on iOS footnote No support

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This page was last modified on Oct 31, 2024 by MDN contributors.

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