ServiceWorkerRegistration: installing property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The installing read-only property of the ServiceWorkerRegistration interface returns a service worker whose ServiceWorker.state is installing. This property is initially set to null.
Value
A ServiceWorker object, if it is currently in an installing state.
Specifications
| Specification |
|---|
| Service Workers Nightly # navigator-service-worker-installing |