The MediaKeySession.closed read-only property returns a Promise signaling when a MediaKeySession closes. This promise can only be fulfilled and is never rejected. Closing a session means that licenses and keys associated with it are no longer valid for decrypting media data.
A Promise.
| Specification |
|---|
| Encrypted Media Extensions # dom-mediakeysession-closed |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
closed |
42 | 13 | 38 | No | 29 | 12.1 | 43 | 42 | 38 | 29 | 12.2 | 4.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySession/closed