Web/API/WorkerGlobalScope/onerror

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

Syntax

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

Example

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

self.onerror = function() {
  console.log('There is an error inside your worker!');
}

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'WorkerGlobalScope.onerror' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
onerror	Chrome Full support 4	Edge Full support 12	Firefox Full support 3.5	IE Full support Yes	Opera Full support 11.5	Safari Full support 4	WebView Android Full support 37	Chrome Android Full support 40	Firefox Android Full support 4	Opera Android Full support Yes	Safari iOS Full support 5.1	Samsung Internet Android Full support 4.0

Legend

Full support  

Full support

See also

The WorkerGlobalScope interface it belongs to.

WorkerGlobalScope.onerror by Mozilla Contributors is licensed under CC-BY-SA 2.5.