BackgroundFetchManager: get() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Note: This feature is available in Web Workers.
The get()
method of the BackgroundFetchManager
interface returns a Promise
that resolves with the BackgroundFetchRegistration
associated with the provided id
or undefined
if the id
is not found.
Syntax
get(id)
Parameters
id
-
The ID of a
BackgroundFetchRegistration
defined by callingfetch()
.
Return value
A Promise
that resolves with a BackgroundFetchRegistration
or undefined
.
Examples
The following examples shows how to use get()
to retrieve a BackgroundFetchRegistration
. With an active service worker
, use the ServiceWorkerRegistration.backgroundFetch
to access the BackgroundFetchManager
object and call its get()
method.
navigator.serviceWorker.ready.then(async (swReg) => {
const bgFetch = await swReg.backgroundFetch.get("my-fetch");
});
// my code block
Specifications
Specification |
---|
Background Fetch # background-fetch-manager-get |
Browser compatibility
BCD tables only load in the browser