On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 55 on 2016-12-01
In Chrome Android version 55 on 2016-12-06
In Edge version 79 on 2020-01-15 Note: Only works if the specified language is the same as the language of the underlying OS.
In Firefox version 43 on 2015-12-15
In Firefox for Android version 43 on 2015-12-15
In Internet Explorer version 10 on 2012-10-26 Note: Only works if the specified language is the same as the language of the underlying OS.
In Quest Browser version 5.0 on undefined
In Opera version 42 on 2016-12-13
In Opera Android version 42 on 2017-01-21
In Safari version 17 on 2023-09-18
In Safari on iOS version 17 on 2023-09-18
In Samsung Internet version 6.0 on 2017-08-23
In WebView Android version 55 on 2016-12-06
In WebView on iOS version 17 on 2023-09-18