ServiceWorkerRegistration.installing
This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The installing
property of the ServiceWorkerRegistration
interface returns a service worker whose ServiceWorker.state
is installing
. This property is initially set to null
.
Note: This feature is available in Web Workers.
Syntax
sw = ServiceWorker.installing
Value
A ServiceWorker
object, if it is currently in an installing
state.
Specifications
Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'ServiceWorkerRegistration.installing' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 40.0 | 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 | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | No support | 44.0 (44.0) | (Yes) | No support | ? | No support | 40.0 |
Available in web workers | ? | ? | (Yes) | ? | No support | ? | No support | ? |
[1] Service workers (and Push) have been disabled in the Firefox 45 Extended Support Release (ESR.)
See also
- Using Service Workers
- Service workers basic code example
- Is ServiceWorker ready?
Promise
- Using web workers
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/serviceworkerregistration/installing