ServiceWorkerGlobalScope.onperiodicsync

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The onperiodicsync property of the ServiceWorkerGlobalScope interface is an event handler fired at timed intervals, specified when registering a PeriodicSyncManager.

Syntax

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());
  }
});

Specification
Web Periodic Background Synchronization # dom-serviceworkerglobalscope-onperiodicsync

	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