This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The onmessage property of the ServiceWorkerContainer interface is an event handler fired whenever a message event occurs — when incoming messages are received to the ServiceWorkerContainer object (e.g., via a MessagePort.postMessage() call).
Note: Messages sent to service worker contexts (e.g. as the event object of onmessage) are represented by MessageEvent objects in modern browsers, for consistency with other web messaging features. (They used to be represented by ServiceWorkerMessageEvent objects, which have now been deprecated.)
ServiceWorkerContainer.onmessage = function(messageevent) { ... } // TBD
| Specification | Status | Comment |
|---|---|---|
| Service Workers The definition of 'ServiceWorkerContainer.onmessage' in that specification. | Editor's Draft | Initial definition. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 40 | (Yes)[2] | 44.0 (44.0)[1] | No support | 24 | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | No support | 40 | 44.0 (44.0) | (Yes) | No support | ? | No support |
[1] Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)
[2] Service workers is available in Microsoft Edge starting EdgeHTML 16 behind a flag.
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/onmessage