NavigationPreloadManager: disable() method
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Web Workers.
The disable()
method of the NavigationPreloadManager
interface halts the automatic preloading of service-worker-managed resources previously started using enable()
It returns a promise that resolves with undefined
.
The method may be called in the service worker's activate
event handler (before the fetch
event handler can be called).
Syntax
disable()
Parameters
None.
Return value
Exceptions
InvalidStateError
DOMException
-
There is no active worker associated with the registration to which this
NavigationPreloadManager
belongs.
Examples
The code below shows how to disable preloading, after first using ServiceWorkerRegistration.navigationPreload
to test that it is supported.
addEventListener("activate", (event) => {
event.waitUntil(
(async () => {
if (self.registration.navigationPreload) {
// Disable navigation preloads!
await self.registration.navigationPreload.disable();
}
})(),
);
});
Specifications
Specification |
---|
Service Workers # dom-navigationpreloadmanager-disable |
Browser compatibility
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