Web platform features explorer

Dedicated workers

Widely available since 2018-01-29
Tags: api Groups: Workers

The Worker() constructor runs a script in its own thread, which can send and receive messages with the script that created it. Also known as web workers.

Specifications

Browser support (view on caniuse.com)

  • Chrome 4 Released on 2010-01-25
  • Chrome Android 18 Released on 2012-06-27
  • Edge 12 Released on 2015-07-29
  • Firefox 4 Released on 2011-03-22
  • Firefox for Android 4 Released on 2011-03-29
  • Safari 4 Released on 2009-06-08
  • Safari on iOS 5 Released on 2011-10-12