hardwareConcurrency
Widely available since 2024-09-14
The navigator.hardwareConcurrency read-only property returns the number of logical processors available to run threads on the user's computer.
Learning resources on MDN
Browser support (view on caniuse.com)
- Chrome 37 Released on 2014-08-26
- Chrome Android 37 Released on 2014-09-03
- Edge 15 Released on 2017-04-05
- Firefox 48 Released on 2016-08-02
- Firefox for Android 48 Released on 2016-08-02
- Safari 15.4 Released on 2022-03-14
- Safari on iOS 15.4 Released on 2022-03-14
Specifications
- HTML Standard (#navigator.hardwareconcurrency), from HTML Workstream (WHATWG).