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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
onupdatefound | Chrome Full support 40 | Edge
Full support
17
| Firefox
Full support
44
| IE No support No | Opera Full support 27 | Safari Full support 11.1 | WebView Android Full support 40 | Chrome Android Full support 40 | Firefox Android Full support 44 | Opera Android Full support 27 | Safari iOS Full support 11.3 | Samsung 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.
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.