On the standards track: No
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 15 on 2011-10-25
In Chrome Android version 18 on 2012-06-27
In Deno version 1.29 on 2022-12-15
In Edge version 12 on 2015-07-29
Not in Firefox
Not in Firefox for Android
In Internet Explorer version 11 on 2013-10-17
In Node.js version 8.0.0 on 2017-05-30
In Quest Browser version 5.0 on undefined
In Opera version 15 on 2013-07-02
In Opera Android version 14 on 2013-05-21
In Safari version 6 on 2012-07-25
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09
In WebView on iOS version 6 on 2012-09-10