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ServiceWorkerRegistration.waiting

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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 waiting property of the ServiceWorkerRegistration interface returns a service worker whose ServiceWorker.state is installed. This property is initially set to null.

Note: This feature is available in Web Workers.

Syntax

sw = ServiceWorker.waiting 

Value

A ServiceWorker object, if it is currently in an installed state.

Specifications

 
Specification Status Comment
Service Workers
The definition of 'ServiceWorkerRegistration.waiting' 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 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 Extended Support Release (ESR.)

See also

Document Tags and Contributors

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