{"json_modified": "2016-03-28T08:45:49.693609", "uuid": "9dc99425-5c7f-4f62-b449-8922e976f17d", "title": "ServiceWorkerMessageEvent", "url": "/en-US/docs/Web/API/ServiceWorkerMessageEvent", "tags": ["Workers", "Interface", "Offline", "API", "ServiceWorkerMessageEvent", "Experimental", "offline", "R\u00e9f\u00e9rence", "Service Workers"], "translations": [], "modified": "2016-03-17T13:59:30", "label": "ServiceWorkerMessageEvent", "localization_tags": [], "locale": "en-US", "id": 156665, "last_edit": "2016-03-17T13:59:27", "summary": "The <strong><code>ServiceWorkerMessageEvent</code></strong> interface of the <a href=\"/en-US/docs/Web/API/ServiceWorker_API\" title=\"The documentation about this has not yet been written; please consider contributing!\"><code>ServiceWorker API</code></a> contains information about an event sent to a <a href=\"/en-US/docs/Web/API/ServiceWorkerContainer\" title=\"The ServiceWorkerContainer interface of the ServiceWorker API provides an object representing the service worker as an overall unit in the network ecosystem, including facilities to register, unregister and update service workers, and access the state of service workers and their registrations.\"><code>ServiceWorkerContainer</code></a>\u00a0target. This extends the default <code><a href=\"/en-US/docs/Web/Events/message\" title=\"/en-US/docs/Web/Events/message\">message</a></code> event to allow setting a <a href=\"/en-US/docs/Web/API/ServiceWorker\" title=\"The ServiceWorker interface of the ServiceWorker API provides a reference to a service worker. Multiple browsing contexts (e.g. pages, workers, etc.) can be associated with the same service worker, each through a unique ServiceWorker object.\"><code>ServiceWorker</code></a> object as the source of a message. The event object is accessed via the handler function of a <code><a href=\"/en-US/docs/Web/Events/message_(ServiceWorker)\" title=\"/en-US/docs/Web/Events/message_(ServiceWorker)\">message</a></code> event, when fired by a message received from a service worker.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Constructor", "title": "Constructor"}, {"id": "Properties", "title": "Properties"}, {"id": "Methods", "title": "Methods"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/ServiceWorkerMessageEvent", "review_tags": []}