On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 94 on 2021-09-21 Note: Exposed on Window instead of DedicatedWorker.
In Chrome Android version 94 on 2021-09-21 Note: Exposed on Window instead of DedicatedWorker.
In Edge version 94 on 2021-09-24 Note: Exposed on Window instead of DedicatedWorker.
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
In Quest Browser version 18.0 on 2021-11-30 Note: Exposed on Window instead of DedicatedWorker.
In Opera version 80 on 2021-10-05 Note: Exposed on Window instead of DedicatedWorker.
In Opera Android version 66 on 2021-12-15 Note: Exposed on Window instead of DedicatedWorker.
In Safari version 18 on 2024-09-16
In Safari on iOS version 18 on 2024-09-16
In Samsung Internet version 17.0 on 2022-05-04 Note: Exposed on Window instead of DedicatedWorker.
In WebView Android version 94 on 2021-09-21 Note: Exposed on Window instead of DedicatedWorker.
In WebView on iOS version 18 on 2024-09-16