ServiceWorkerRegistration: waiting property

{{APIRef("Service Workers API")}}{{SecureContext_Header}} {{AvailableInWorkers}}

The waiting read-only property of the {{domxref("ServiceWorkerRegistration")}} interface returns a service worker whose {{domxref("ServiceWorker.state")}} is installed. This property is initially set to null.

Value

A {{domxref("ServiceWorker")}} object, if it is currently in an installed state.

Specifications

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Browser compatibility

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See also

• Using Service Workers
• Service workers basic code example
• Using web workers