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web api instance property

ServiceWorkerRegistration: navigationPreload property

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Secure context Available in workers

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

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.