{"json_modified": "2016-03-28T08:42:40.060431", "uuid": "f8f5a97d-5457-4adb-b9b9-af1702f1b7bb", "title": "ServiceWorkerRegistration.onupdatefound", "url": "/en-US/docs/Web/API/ServiceWorkerRegistration/onupdatefound", "tags": ["API", "ServiceWorkerRegistration", "Reference", "Property", "R\u00e9f\u00e9rence", "Service Workers", "onupdatefound"], "translations": [], "modified": "2016-03-17T14:04:20", "label": "ServiceWorkerRegistration.onupdatefound", "localization_tags": [], "locale": "en-US", "id": 134879, "last_edit": "2016-03-17T14:04:16", "summary": "The <code><strong>onupdatefound</strong></code> 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 is an <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/EventListener\" title=\"This method is called whenever an event occurs of the type for which the EventListener interface was registered.\"><code>EventListener</code></a> property called whenever an event of type <code>statechange</code> is fired; it is fired any time the\u00a0<a href=\"https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration.installing\" title=\"Returns a service worker whose state is&#xA0;installing. Initially set to&#xA0;null.\"><code>ServiceWorkerRegistration.installing</code></a>\u00a0property acquires a new service worker.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/ServiceWorkerRegistration/onupdatefound", "review_tags": ["technical"]}