ServiceWorkerRegistration.onupdatefound

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The onupdatefound property of the ServiceWorkerRegistration interface is an EventListener property called whenever an event of type statechange is fired; it is fired any time the ServiceWorkerRegistration.installing property acquires a new service worker.

Note: This feature is available in Web Workers.

Syntax

ServiceWorkerRegistration.onupdatefound = function() { ... };

Specifications

Specification Status Comment
Service Workers
The definition of 'ServiceWorkerRegistration.onupdatefound' in that specification.
Working Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Experimental
Chrome No support NoEdge No support NoFirefox No support NoIE No support NoOpera No support NoSafari Full support 11.1WebView Android No support NoChrome Android No support NoEdge Mobile No support NoFirefox Android No support NoOpera Android No support NoSafari iOS Full support 11.1Samsung Internet Android No support No

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.

See also

Document Tags and Contributors

Contributors to this page: ExE-Boss, abbycar, chrisdavidmills, fscholz, jpmedley, kscarfone
Last updated by: ExE-Boss,