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ServiceWorkerRegistration.navigationPreload

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

Syntax

var navigationPreloadManager = serviceWorkerRegistration.navigationPreload

Value

An instance of NavigationPreloadManager.

Specifications

Specification Status Comment
Service Workers
The definition of 'navigationPreload' in that specification.
Working Draft Initial definition.

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support59

161

17

442 No46 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support5959 ?4446 No4.0

1. From version 16: this feature is behind the Enable service workers preference.

2. Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR).

Document Tags and Contributors

Contributors to this page: ExE-Boss, jpmedley
Last updated by: ExE-Boss,