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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

Browser compatibility

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navigationPreload 59 17 99 No 46 15.4 59 59 99 43 15.4 4.0

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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/navigationPreload