ServiceWorkerRegistration.sync

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 sync property of the ServiceWorkerRegistration interface returns a reference to the SyncManager interface, which manages background synchronization processes.

Syntax

var syncManager = serviceWorkerRegistration.sync;

Value

A SyncManager object.

Specifications

Specification Status Comment
Web Background Synchronization Living Standard Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
sync
Experimental
Chrome Full support 49Edge Full support ≤79Firefox No support NoIE No support NoOpera Full support 36Safari No support NoWebView Android Full support 49Chrome Android Full support 49Firefox Android No support NoOpera Android Full support 36Safari iOS No support NoSamsung Internet Android Full support 4.0

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.