MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/MDN-dev-survey

ServiceWorkerRegistration.navigationPreload

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

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.
Editor's Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 59 ? ? 46 ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support 59 59 ? ? ? 46 ?

Document Tags and Contributors

 Contributors to this page: jpmedley
 Last updated by: jpmedley,