This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The MediaKeySystemConfiguration.persistentState read-only property indicates whether the ability to persist state is required.
var persistentState = mediaSystemConfiguration.persistentSTate;
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions The definition of 'persistentState' in that specification. | Recommendation | Initial definition |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 42.0 | ? | ? | ? | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 43.0 | ? | ? | ? | ? | ? | 42.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration/persistentState