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.
Syntax
var sessionId = mediaKeySessionObj.sessionId;
Specifications
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions The definition of 'sessionId' in that specification. |
Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 42 | 13 | ? | ? | Yes | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | 43 | 42 | Yes | ? | Yes | ? | 4.0 |