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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
sessionId | Chrome Full support 42 | Edge Full support 13 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari ? | WebView Android Full support 43 | Chrome Android Full support 42 | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.