web api instance property
ServiceWorkerRegistration: periodicSync property
Limited availabilitySecure contextAvailable in workers
The periodicSync read-only property of
the ServiceWorkerRegistration interface returns a reference to the
PeriodicSyncManager interface, which allows for registering of tasks to
run at specific intervals.
Value
A PeriodicSyncManager object.
Examples
You can access the property from either your main script or the registered service worker.
Here is an example from the main script:
// reference registration
const registration = await navigator.serviceWorker.ready;
// feature detection
if ("periodicSync" in registration) {
// Background Periodic Sync functionality
const periodicSync = registration.periodicSync;
}
From the service worker:
// service worker script
const periodicSync = self.registration.periodicSync;
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.