The read-only VideoTrackList property selectedIndex returns the index of the currently selected track, if any, or -1 otherwise.
The read-only VideoTrackList property selectedIndex returns the index of the currently selected track, if any, or -1 otherwise.
A number indicating the index of the currently selected track, if any, or -1 otherwise.
| Specification |
|---|
| HTML Standard # dom-videotracklist-selectedindex-dev |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
selectedIndex |
37 | 7912–79 | 33 | 10 | 24 | 7 | No | 37 | No | No | 7 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/VideoTrackList/selectedIndex