SharedArrayBuffer and Atomics
The SharedArrayBuffer object represents bytes shared between multiple workers and the main thread. The Atomics object safely accesses SharedArrayBuffer data to make sure predictable values are read and written and that operations are not interrupted.
Status
Baseline Widely Available (since 2024-06-13)
MDN documentation
Specifications
- ECMAScript® 2026 Language Specification (#sec-sharedarraybuffer-objects), from TC39 (Ecma International).
- ECMAScript® 2026 Language Specification (#sec-atomics-object), from TC39 (Ecma International).
Browser support (view on caniuse.com)
- Chrome 68 Released on 2018-07-24
- Chrome Android 89 Released on 2021-03-02
- Edge 79 Released on 2020-01-15
- Firefox 79 Released on 2020-07-28
- Firefox for Android 79 Released on 2020-07-28
- Safari 15.2 Released on 2021-12-13
- Safari on iOS 15.2 Released on 2021-12-13
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