{"json_modified": "2016-03-28T08:50:11.881175", "uuid": "16ca334d-bf36-48f8-8324-26fa39344f4d", "title": "ServiceWorkerGlobalScope.onsync", "url": "/en-US/docs/Web/API/ServiceWorkerGlobalScope/onsync", "tags": [], "translations": [], "modified": "2016-03-17T13:49:58", "label": "ServiceWorkerGlobalScope.onsync", "localization_tags": [], "locale": "en-US", "id": 172649, "last_edit": "2016-03-17T13:49:56", "summary": "The <strong><code>ServiceWorkerGlobalScope.onsync</code></strong> event of the <a href=\"/en-US/docs/Web/API/ServiceWorkerGlobalScope\" title=\"The ServiceWorkerGlobalScope interface of the ServiceWorker API represents the global execution context of a service worker.\"><code>ServiceWorkerGlobalScope</code></a> interface is<span style=\"line-height: 1.5;\">\u00a0fired whenever a\u00a0</span><code style=\"font-style: normal; font-weight: normal; line-height: 1.5;\"><a href=\"https://developer.mozilla.org/en-US/docs/Web/Events/SyncEvent\" title=\"/en-US/docs/Web/Events/SyncEvent\">SyncEvent</a></code><span style=\"line-height: 1.5;\">\u00a0event occurs. This is triggered when a call to\u00a0</span><a href=\"https://developer.mozilla.org/en-US/docs/Web/API/SyncManager/register\" style=\"line-height: 1.5;\" title=\"The register method of the SyncManager interface returns&#xA0;a Promise that resolves to a SyncRegistration instance.\"><code>SyncManager.register</code></a><span style=\"line-height: 1.5;\">\u00a0is made from a service worker client page. The attempt to sync is made either\u00a0immediately if the network is available or as soon as the network becomes available.\u00a0</span>", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}], "slug": "Web/API/ServiceWorkerGlobalScope/onsync", "review_tags": ["technical"]}