{"json_modified": "2016-03-28T08:44:01.107587", "uuid": "8e2f9790-0087-432e-af91-6512469a7a17", "title": "InstallEvent.activeWorker", "url": "/en-US/docs/Web/API/InstallEvent/activeWorker", "tags": ["API", "ServiceWorker", "Reference", "Property", "activeWorker", "InstallEvent", "Service Workers"], "translations": [], "modified": "2016-03-17T10:57:01", "label": "InstallEvent.activeWorker", "localization_tags": [], "locale": "en-US", "id": 145631, "last_edit": "2016-03-17T10:56:58", "summary": "The <code><strong>activeWorker</strong></code> read-only property of the <a href=\"/en-US/docs/Web/API/InstallEvent\" title=\"The parameter passed into the oninstall handler, the InstallEvent interface represents an install action that is dispatched on the ServiceWorkerGlobalScope of a ServiceWorker. As a child of ExtendableEvent,&#xA0;it ensures that functional events such as FetchEvent&#xA0;are not dispatched during installation.\"><code>InstallEvent</code></a> interface returns the <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> that is currently actively controlling the page.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Value", "title": "Value"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/InstallEvent/activeWorker", "review_tags": ["technical"]}