On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11
In Chrome Android version 18 on 2012-06-27
In Edge version 12 on 2015-07-29
In Firefox version 1 on 2004-11-09 Note: Before Firefox 89, manipulating the content of <input> elements using Document.execCommand() commands requires workarounds (see bug 1220696).
In Firefox for Android version 4 on 2011-03-29 Note: Before Firefox for Android 89, manipulating the content of <input> elements using Document.execCommand() commands requires workarounds (see bug 1220696).
In Internet Explorer version ≤11 on undefined
In Quest Browser version 5.0 on undefined
In Opera version ≤12.1 on undefined
In Opera Android version ≤12.1 on undefined
In Safari version 1 on 2003-06-23
In Safari on iOS version 1 on 2007-06-29
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 1 on 2008-09-23
In WebView on iOS version 1 on 2007-06-29