On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 59 on 2017-06-05
In Chrome Android version 59 on 2017-06-06
In Edge version 79 on 2020-01-15
In Firefox version 59 on 2018-03-13 Note: Starting in version 60, the timestamp is correctly computed based on the window's Performance time, rather than Date.getTime().
In Firefox for Android version 59 on 2018-03-13 Note: Starting in version 60, the timestamp is correctly computed based on the window's Performance time, rather than Date.getTime().
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 46 on 2017-06-22
In Opera Android version 43 on 2017-09-27
In Safari version 12.1 on 2019-03-25
In Safari on iOS version 12.2 on 2019-03-25
In Samsung Internet version 7.0 on 2018-03-16
In WebView Android version 59 on 2017-06-06
In WebView on iOS version 12.2 on 2019-03-25