ServiceWorkerRegistration: navigationPreload property

The navigationPreload read-only property of the ServiceWorkerRegistration interface returns the NavigationPreloadManager associated with the current service worker registration.

The returned object allows resources managed by a service worker to be preemptively downloaded in parallel with service worker boot up.

Value

An instance of NavigationPreloadManager.

Specifications

Specification
Service Workers
# service-worker-registration-navigationpreload

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