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

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 40.0 (Yes)[2] 44.0 (44.0)[1] No support ? No support
Available in web workers (Yes) ? 44.0 (44.0)[1] No support ? No support
Feature Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support ? 44.0 (44.0) (Yes) No support ? No support ?
Available in web workers ? (Yes) ? No support ? No support ?

[1] Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)

[2] Service workers is available in Microsoft Edge starting EdgeHTML 16 behind a flag.

See also

Document Tags and Contributors

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