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PeriodicSyncManager: getTags() method

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

js

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.

js

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

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
getTags 80 80 No No 67 No No 80 No 57 No 13.0

See also

© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/PeriodicSyncManager/getTags