Web/API/MessagePort/onmessageerror

The onmessageerror event handler of the MessagePort interface is an EventListener, called whenever an MessageEvent of type messageerror is fired on the port—that is, when it receives a message that cannot be deserialized.

Note: This feature is available in Web Workers.

Syntax

port.onmessageerror = function() { ... };

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'onmessageerror' 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
onmessageerror	Chrome Full support 60	Edge Full support 18	Firefox Full support 57	IE No support No	Opera Full support 47	Safari ?	WebView Android Full support 60	Chrome Android Full support 60	Firefox Android Full support 57	Opera Android Full support 44	Safari iOS ?	Samsung Internet Android Full support 8.0

Legend

Full support  

Full support

No support  

No support

Compatibility unknown  

Compatibility unknown

See also

• Using channel messaging

MessagePort.onmessageerror by Mozilla Contributors is licensed under CC-BY-SA 2.5.