PeriodicSyncManager: getTags() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Note: This feature is available in Web Workers.
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
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
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