Top-level await
The await keyword, when used at the top level of a module (outside of an async function), delays parent module execution until after a promise fulfills.
Status
Baseline Widely Available (since 2024-03-20)
MDN documentation
Specifications
- ECMAScript® 2026 Language Specification (#sec-async-function-definitions), from TC39 (Ecma International).
Browser support
- Chrome 89 Released on 2021-03-02
- Chrome Android 89 Released on 2021-03-02
- Edge 89 Released on 2021-03-04
- Firefox 89 Released on 2021-06-01
- Firefox for Android 89 Released on 2021-06-01
- Safari 15 Released on 2021-09-20
- Safari on iOS 15 Released on 2021-09-20
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