PeriodicSyncManager.getTags()

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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.

Syntax

var tags = PeriodicSyncManager.getTags();

Parameters

None.

Return value

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

Exceptions

None.

Examples

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.

Specifications

Specification
Web Periodic Background Synchronization
# dom-periodicsyncmanager-gettags

Browser compatibility

BCD tables only load in the browser

See also