Web platform features explorer

Atomics.waitAsync

Limited availability
Tags: javascript Groups: JavaScript

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().

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 (28 months)

Usage (according to Chrome Platform Status)

~0.006% of page loads. More data at chromestatus.