MediaKeySession: keystatuseschange event

The keystatuseschange event of the MediaKeySession API fires when there has been a change in the keys or their statuses within a session.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("keystatuseschange", (event) => {});

onkeystatuseschange = (event) => {};

Doesn't implement any specific properties, but inherits properties from its parent, Event.

Specification
Encrypted Media Extensions # dom-mediakeysession-onkeystatuseschange

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`keystatuseschange_event`	55 42–55 The `onkeystatuseschange` event handler property is not supported.	79	52	No	42 29–42 The `onkeystatuseschange` event handler property is not supported.	12.1	55 43–55 The `onkeystatuseschange` event handler property is not supported.	55 42–55 The `onkeystatuseschange` event handler property is not supported.	52	42 29–42 The `onkeystatuseschange` event handler property is not supported.	12.2	6.0 4.0–6.0 The `onkeystatuseschange` event handler property is not supported.

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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySession/keystatuseschange_event