The messageerror
event is fired on a DedicatedWorkerGlobalScope
object when it receives a message that can't be deserialized.
This event is not cancellable and does not bubble.
The messageerror
event is fired on a DedicatedWorkerGlobalScope
object when it receives a message that can't be deserialized.
This event is not cancellable and does not bubble.
Use the event name in methods like addEventListener()
, or set an event handler property.
js
addEventListener("messageerror", (event) => {}); onmessageerror = (event) => {};
A MessageEvent
. Inherits from Event
.
This interface also inherits properties from its parent, Event
.
MessageEvent.data
Read only
The data sent by the message emitter.
MessageEvent.origin
Read only
A string representing the origin of the message emitter.
MessageEvent.lastEventId
Read only
A string representing a unique ID for the event.
MessageEvent.source
Read only
A MessageEventSource
(which can be a WindowProxy, MessagePort
, or ServiceWorker
object) representing the message emitter.
MessageEvent.ports
Read only
An array of MessagePort
objects representing the ports associated with the channel the message is being sent through (where appropriate, e.g. in channel messaging or when sending a message to a shared worker).
Listen for messageerror
using addEventListener()
:
js
// worker.js self.addEventListener("messageerror", (event) => { self.postMessage("Error receiving message"); console.error(event); });
The same, but using the onmessageerror
event handler property:
js
// worker.js self.onmessageerror = (event) => { self.postMessage("Error receiving message"); console.error(event); };
Specification |
---|
HTML Standard # event-messageerror |
HTML Standard # handler-dedicatedworkerglobalscope-onmessageerror |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
messageerror_event |
60 | 18 | 57 | No | 47 | 16.4 | 60 | 60 | 57 | 47 | 16.4 | 8.0 |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DedicatedWorkerGlobalScope/messageerror_event