NavigationPreloadManager: enable() method - Web APIs

NavigationPreloadManager: enable() method - Web APIs | MDN

Syntax

Parameters

None.

Return value

A Promise that resolves with undefined.

Exceptions

InvalidStateError DOMException: There is no active worker associated with the registration to which this NavigationPreloadManager belongs.

Examples

The code below shows how to enable preloading, after first using ServiceWorkerRegistration.navigationPreload to test that it is supported.

addEventListener("activate", (event) => {
  event.waitUntil(
    (async () => {
      if (self.registration.navigationPreload) {
        // Enable navigation preloads!
        await self.registration.navigationPreload.enable();
      }
    })(),
  );
});

Specifications

Specification
Service Workers Nightly # dom-navigationpreloadmanager-enable

Browser compatibility

Help improve MDN

Learn how to contribute

This page was last modified on Jun 7, 2024 by MDN contributors.