This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2019.
The keys() method of the MediaKeyStatusMap interface returns a new Iterator object, containing keys for each element in the status map, in insertion order.
keys()
None.
A new iterator.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
keys |
42 | 16 | 38 | 29 | 12.1 | 42 | 38 | 29 | 12.2 | 4.0 | 43 | 12.2 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeyStatusMap/keys