ServiceWorkerRegistration.installing

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

var serviceWorker = serviceWorkerRegistration.installing;

Value

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

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
installing
40
17
44
Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.
No
27
11.1
40
40
44
27
11.3
4.0

See also

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/installing