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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The SyncRegistration interface of the the ServiceWorker API provides an object for managing background synchronization.
Properties
SyncRegistration.tagRead only- Provides the unique identifier of the specified
SyncRegistrationobject.
Methods
SyncRegistration.unregister- Returns a
Promisethat resolves to Boolean indicating whether theSyncRegistrationobject was unregistered.
Examples
// TBD
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | Not supported | ? | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | Not supported | ? | ? | ? | ? | ? | Not supported |