This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The has property of the MediaKeyStatusMap interface returns a Boolean, asserting whether a value has been associated with the given key.
var boolean = mediaKeyStatusMap(key)
A Boolean.
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions | Recommendation | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 42.0 | ? | ? | 29 | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 43.0 | ? | ? | ? | 29 | ? | 42.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeyStatusMap/has