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SyncEvent: tag property - Web APIs

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1. Web
2. Web APIs
3. SyncEvent
4. tag

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1. Background Synchronization API
2. SyncEvent
3. Constructor
   1. SyncEvent()
4. Instance properties
   1. lastChance
   2. tag
5. Inheritance
   1. ExtendableEvent
   2. Event
6. Related pages for Background Sync
   1. ServiceWorkerRegistration.sync
   2. SyncManager

• Value
• Specifications
• Browser compatibility

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

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Note: This feature is only available in Service Workers.

The tag read-only property of the SyncEvent interface returns the developer-defined identifier for this SyncEvent. This is the value passed in the tag parameter of the SyncEvent() constructor.

The developer-defined identifier for this SyncEvent.

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This page was last modified on Apr 15, 2024 by MDN contributors.

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