This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The ServiceWorkerGlobalScope.onmessage event of the ServiceWorkerGlobalScope interface is called whenever incoming messages are received.
Syntax
ServiceWorkerGlobalScope.onmessage = function(MessageEvent) { ... }
Example
self.addEventListener('message', function(messageEvent) {
console.log('Handling message event:', messageEvent);
}
Specifications
| Specification | Status | Comment |
|---|---|---|
| Service Workers The definition of 'Event Handlers' in that specification. |
Working Draft | Initial definition |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 40.0 | 44.0 (44.0)[1] | No support | ? | No support |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 44.0 (44.0) | (Yes) | No support | ? | No support | 40.0 |
[1] Service workers (and Push) have been disabled in the Firefox 45 Extended Support Release (ESR.)