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The onperiodicsync property of the ServiceWorkerGlobalScope interface is an event handler fired at timed intervals, specified when registering a PeriodicSyncManager.
ServiceWorkerGlobalScope.onperiodicsync = function(event) { ... };
The following example shows how to respond to a periodic sync event in the service worker.
self.addEventListener('periodicsync', event => { if (event.tag == 'get-latest-news') { event.waitUntil(fetchAndCacheLatestNews()); } });
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
onperiodicsync |
80 |
80 |
No |
No |
67 |
No |
No |
80 |
No |
57 |
No |
13.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerGlobalScope/onperiodicsync