BackgroundFetchManager.getIds()

The getIds() method of the BackgroundFetchManager interface returns the IDs of all registered background fetches.

Syntax

let stringArray = BackgroundFetchManager.getIds();

Parameters

None.

Return value

A Promise that resolves with an Array of strings.

Exceptions

None.

Examples

The following examples shows how to retrieve the IDs of all registered background fetches. With an active service worker, use the ServiceWorkerRegistration.backgroundFetch property to access the `BackgroundFetchManager` object and call its `get()` method.

navigator.serviceWorker.ready.then(async (swReg) => {
  const ids = await swReg.backgroundFetch.getIds();
});

Specifications

Browser compatibility