PeriodicSyncManager.getTags()

The getTags() method of the PeriodicSyncManager interface returns a Promise that resolves with a list of String objects representing the tags that are currently registered for periodic syncing.

None.

A Promise which resolves with a list of String objects representing tags that are currently registered for periodic syncing.

None.

The following example uses the getTags() method to check if a periodic sync task with a given tag is registered.

navigator.serviceWorker.ready.then(registration => {
  registration.periodicSync.getTags().then(tags => {
    if (tags.includes('get-latest-news'))
      skipDownloadingLatestNewsOnPageLoad();
  });
});

skipDownloadingLatestNewsOnPageLoad() is a developer defined function.

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