On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 3 on 2009-09-15
In Chrome Android version 18 on 2012-06-27
Not in Deno
In Edge version 79 on 2020-01-15
In Firefox version 138 on 2025-04-29
In Firefox for Android version 138 on 2025-04-29
Not in Internet Explorer
In Node.js version 0.10.0 on 2013-03-11
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 17.2 on 2023-12-11
In Safari on iOS version 17.2 on 2023-12-11
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 17.2 on 2023-12-11