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 ServiceWorkerMessageEvent()
constructor creates a new ServiceWorkerMessageEvent
object instance.
var mySWME = new ServiceWorkerMessageEvent(type, init);
DOMString
that defines the type of the message event being created.data
: The event's data — this can be any type.origin
: A DOMString
that defines the origin of the corresponding service worker's environment settings object.lastEventId
: A DOMString
that defines the last event ID of the event source.source
: The ServiceWorker
or MessagePort
that sent the message.ports
: An array containing the MessagePort
objects connected to the channel sending the message.var init = { data : 'hello message', source : MessagePortReference, ports : MessagePortListReference } var mySWME = new ServiceWorkerMessageEvent('message', init);
Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'ServiceWorkerMessageEvent' in that specification. | Working Draft | Initial definition. |
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 45.0 | 44.0 (44.0)[1] | No support | 24 | No support |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | No support | (Yes) | (Yes) | No support | ? | No support | 45.0 |
[1] Service workers (and Push) have been disabled in the Firefox 45 Extended Support Release (ESR.)
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerMessageEvent/ServiceWorkerMessageEvent