The has property of the MediaKeyStatusMap interface returns a Boolean, asserting whether a value has been associated with the given key.
The has property of the MediaKeyStatusMap interface returns a Boolean, asserting whether a value has been associated with the given key.
js
has(key)
keyThe key whose value you want returned
A Boolean.
| Specification |
|---|
| Encrypted Media Extensions # dom-mediakeystatusmap-has |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
has |
42 | 13 | 45 | No | 29 | 12.1 | 43 | 42 | 45 | 29 | 12.2 | 4.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeyStatusMap/has