Atomics.waitAsync
Limited availability
The Atomics.waitAsync() static method waits for a value in a shared memory location, providing a promise when the expected value is not yet in memory. The waitAsync() method is a non-blocking alternative to Atomics.wait().
Learning resources on MDN
Browser support
- Chrome 87 Released on 2020-11-17
- Chrome Android 89 Released on 2021-03-02
- Edge 87 Released on 2020-11-19
- Firefox ❌ Vendor position : positive
- Firefox for Android ❌ Vendor position : positive
- Safari 16.4 Released on 2023-03-27
- Safari on iOS 16.4 Released on 2023-03-27
Baseline availability blocked since March 2023 by Firefox (26 months)
Usage (according to Chrome Platform Status)
~0.009% of page loads. More data at chromestatus.
Specifications
- ECMAScript® 2026 Language Specification (#sec-atomics.waitasync), from TC39 (Ecma International).
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