PeriodicSyncEvent: tag property
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The tag read-only property of the
PeriodicSyncEvent interface returns the developer-defined identifier for
the PeriodicSyncEvent. This is specified when calling the
PeriodicSyncManager.register() method of the
PeriodicSyncManager interface. Multiple tags can be used by the web app
to run different periodic tasks at different frequencies.
Value
Returns a String of the defined identifier.
Examples
The following example demonstrates listening for a periodic sync event in the service
worker, and accessing the tag property.
js
self.addEventListener("periodicsync", (event) => {
console.log(event.tag); // logs the events tag
});
Specifications
| Specification |
|---|
| Web Periodic Background Synchronization # dom-periodicsyncevent-tag |
Browser compatibility
BCD tables only load in the browser