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.
BackgroundFetchManager.get()
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
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
get |
74
|
79
|
No
|
No
|
62
|
No
|
No
|
74
|
No
|
53
|
No
|
11.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/BackgroundFetchManager/get