The onlanguagechange property of the WorkerGlobalScope interface represents an EventHandler to be called when the languagechange event occurs and bubbles through the Worker.


self.onlanguagechange = function() { ... };


The following code snippet shows an onlanguagechange handler set inside a worker:

self.onlanguagechange = function() {
  console.log('Your preferred language settings have been changed');


Specification Status Comment
WHATWG HTML Living Standard
The definition of 'WorkerGlobalScope.onlanguagechange' in that specification.
Living Standard  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 4 3.5 (1.9.1) (Yes) 11.5 4
Feature Android Chrome for Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? 40 1.0 (1.9.1) 1.0.1 (Yes) (Yes) 5.1

See also

The WorkerGlobalScope interface it belongs to.

Document Tags and Contributors

 Contributors to this page: fscholz, teoli, chrisdavidmills, kscarfone
 Last updated by: fscholz,