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.
An instance of NavigationPreloadManager.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
navigationPreload |
59
|
17
|
44
Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.
|
No
|
46
|
15.4
|
59
|
59
|
44
|
43
|
15.4
|
4.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/navigationPreload
| Name | Web APIs |
| Version | |
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| Last Updated | 2022-04-27T09:33:08Z |