On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 61 on 2017-09-05
In Chrome Android version 61 on 2017-09-05
In Deno version 1.0 on 2020-05-13
In Edge version 16 on 2017-10-17
In Firefox version 60 on 2018-05-09
In Firefox for Android version 60 on 2018-05-09
Not in Internet Explorer
In Node.js version 13.2.0 on 2019-11-21 Note: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.
In Quest Browser version 5.0 on undefined
In Opera version 48 on 2017-09-27
In Opera Android version 45 on 2018-02-15
In Safari version 10.1 on 2017-03-27
In Safari on iOS version 10.3 on 2017-03-27
In Samsung Internet version 8.0 on 2018-07-18
In WebView Android version 61 on 2017-09-05
In WebView on iOS version 10.3 on 2017-03-27