ServiceWorkerGlobalScope: periodicsync event

Draft: This page is not complete.

The periodicsync event of the ServiceWorkerGlobalScope interface is fired at timed intervals, specified when registering a PeriodicSyncManager.

Bubbles	No
Cancelable	No
Interface	`PeriodicSyncEvent`
Event handler property	`ServiceWorkerGlobalScope.onperiodicsync`

Examples

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());
  }
});

You can also set up the event handler using the ServiceWorkerGlobalScope.onperiodicsync property:

self.onperiodicsync = (event) => {
  ...
};

Specification
Web Periodic Background Synchronization # periodicsync-event

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`periodicsync_event`	80	80	No	No	67	No	No	80	No	57	No	13.0