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 Standard The 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.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
onmessageerror | Chrome Full support 60 | Edge Full support 18 | Firefox Full support 57 | IE ? | 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
- Compatibility unknown
- Compatibility unknown