ServiceWorkerRegistration: installing property

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.


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


Service Workers
# navigator-service-worker-installing

Browser compatibility

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See also