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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

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 4 ? 3.5 Yes 11.5 4
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? 40 ? 4 Yes 5.1 4.0

See also

The WorkerGlobalScope interface it belongs to.

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https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/onerror