This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The MediaKeySession.sessionId read-only property contains a unique string generated by the CDM for the current media object and its associated keys or licenses.
var sessionId = mediaKeySessionObj.sessionId;
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions The definition of 'sessionId' in that specification. | Recommendation | Initial definition |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 42.0 | (Yes) | ? | ? | ? | ? |
| Feature | Android | Android Webview | Edge | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 43.0 | (Yes) | ? | ? | ? | ? | ? | 42.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySession/sessionId