On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 69 on 2018-09-04 Note: Not supported in nested Web Workers. See bug 41483010.
In Chrome Android version 69 on 2018-09-04 Note: Not supported in nested Web Workers. See bug 41483010.
In Edge version 79 on 2020-01-15 Note: Not supported in nested Web Workers. See bug 41483010.
In Firefox version 99 on 2022-04-05
In Firefox for Android version 99 on 2022-04-05
Not in Internet Explorer
In Quest Browser version 6.0 on undefined Note: Not supported in nested Web Workers. See bug 41483010.
In Opera version 56 on 2018-09-25 Note: Not supported in nested Web Workers. See bug 41483010.
In Opera Android version 48 on 2018-11-08 Note: Not supported in nested Web Workers. See bug 41483010.
In Safari version 16.4 on 2023-03-27
In Safari on iOS version 16.4 on 2023-03-27
In Samsung Internet version 10.0 on 2019-08-22 Note: Not supported in nested Web Workers. See bug 41483010.
In WebView Android version 67 on 2018-05-31
In WebView on iOS version 16.4 on 2023-03-27