Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
Important: In modern browsers, this property has been deprecated.
Service worker messages will now use the MessageEvent
interface, for
consistency with other web messaging features.
The ServiceWorkerMessageEvent()
constructor creates a new
ServiceWorkerMessageEvent
object instance.
Syntax
var mySWME = new ServiceWorkerMessageEvent(type, init);
Parameters
- type
- A
DOMString
that defines the type of the message event being created. - init Optional
- An initialisation object, which should contain the following parameters:
data
: The event's data — this can be any type.origin
: ADOMString
that defines the origin of the corresponding service worker's environment settings object.lastEventId
: ADOMString
that defines the last event ID of the event source.source
: TheServiceWorker
orMessagePort
that sent the message.ports
: An array containing theMessagePort
objects connected to the channel sending the message.
Examples
var init = {
data : 'hello message',
source : MessagePortReference,
ports : MessagePortListReference
}
var mySWME = new ServiceWorkerMessageEvent('message', init);
Browser compatibility
BCD tables only load in the browser