{"json_modified": "2016-03-28T08:42:39.559763", "uuid": "f7dd944c-c3fb-48e5-8ffd-c37abf81701b", "title": "ServiceWorkerRegistration.installing", "url": "/en-US/docs/Web/API/ServiceWorkerRegistration/installing", "tags": ["API", "ServiceWorkerRegistration", "Reference", "Property", "R\u00e9f\u00e9rence", "Installing", "Service Workers"], "translations": [], "modified": "2016-03-17T14:06:51", "label": "ServiceWorkerRegistration.installing", "localization_tags": [], "locale": "en-US", "id": 134873, "last_edit": "2016-03-17T14:06:47", "summary": "The <strong><code>installing</code></strong> property of the <a href=\"/en-US/docs/Web/API/ServiceWorkerRegistration\" title=\"The ServiceWorkerRegistion interface of the ServiceWorker API represents the service worker registration. You register a service worker to control one or more pages that share the same origin.\"><code>ServiceWorkerRegistration</code></a> interface returns a service worker whose <a href=\"/en-US/docs/Web/API/ServiceWorker/state\" title=\"The state read-only property of the ServiceWorker interface returns a string representing the current state of the service worker. It can be one of the following values: installing, installed, activating, activated, or redundant.\"><code>ServiceWorker.state</code></a> is\u00a0<code style=\"font-style: normal;\">installing</code>. This property is initially set to\u00a0<code style=\"font-style: normal;\">null</code>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Value", "title": "Value"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/ServiceWorkerRegistration/installing", "review_tags": ["technical"]}