On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 91 on 2021-05-25
In Chrome Android version 91 on 2021-05-25
In Deno version 1.17 on 2021-12-16
In Edge version 91 on 2021-05-27
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 17.5.0 on 2022-02-10 Note: The second parameter no longer throws a parser error, but the --experimental-json-modules flag is still needed to load JSON modules.
In Quest Browser version 16.0 on 2021-06-14
Not in Opera
Not in Opera Android
In Safari version 15 on 2021-09-20
In Safari on iOS version 15 on 2021-09-20
In Samsung Internet version 16.0 on 2021-11-25
In WebView Android version 91 on 2021-05-25
In WebView on iOS version 15 on 2021-09-20