On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Bun version 1.0.0 on 2023-09-08
In Chrome version 89 on 2021-03-02
In Chrome Android version 89 on 2021-03-02
In Deno version 1.0 on 2020-05-13
In Edge version 89 on 2021-03-04
In Firefox version 89 on 2021-06-01
In Firefox for Android version 89 on 2021-06-01
Not in Internet Explorer
In Node.js version 14.8.0 on 2020-08-11 Note: Not supported in CommonJS modules.
In Quest Browser version 15.0 on undefined
In Opera version 75 on 2021-03-24
In Opera Android version 63 on 2021-04-16
In Safari version 15 on 2021-09-20 Note: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).
In Safari on iOS version 15 on 2021-09-20 Note: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).
In Samsung Internet version 15.0 on 2021-08-13
In WebView Android version 89 on 2021-03-02
In WebView on iOS version 15 on 2021-09-20 Note: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).