The ExtendableMessageEvent interface of the ServiceWorker API represents the event object of a message event fired on a service worker (when a channel message is received on the ServiceWorkerGlobalScope from another context) — extends the lifetime of such events.

API Experimental ExtendableMessageEvent Interface Reference Service Workers

API Constructor Experimental ExtendableMessageEvent Reference Service Workers

API data Experimental ExtendableMessageEvent Property Reference Service Workers

API Experimental ExtendableMessageEvent lastEventID Property Reference Service Workers

API Experimental ExtendableMessageEvent origin Property Reference Service Workers

API Experimental ExtendableMessageEvent ports Property Reference Service Workers

API Experimental ExtendableMessageEvent Property Reference Service Workers Source source