This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The label property of the HTMLTrackElement represents the user-readable title displayed when listing subtitle, caption, and audio descriptions for a track. It reflects the <track> element's label attribute.
A string.
const trackElement = document.getElementById("exampleTrack");
console.log(`Track's label: ${trackElement.label}`);
trackElement.label = "Updated label";
| Specification |
|---|
| HTML> # dom-track-label> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
label |
23 | 12 | 31 | 12 | 6 | 25 | 31 | 12 | 6 | 1.5 | 4.4 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLTrackElement/label