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  3. SyncEvent

SyncEvent

Limited availability

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

Note: This feature is only available inService Workers.

TheSyncEvent interface of theBackground Synchronization API represents a sync action that is dispatched on theServiceWorkerGlobalScope of a ServiceWorker.

This interface inherits from theExtendableEvent interface.

Event ExtendableEvent SyncEvent

Constructor

SyncEvent()

Creates a newSyncEvent object.

Instance properties

Inherits properties from its parent,ExtendableEvent andEvent.

SyncEvent.tagRead only

Returns the developer-defined identifier for thisSyncEvent.

SyncEvent.lastChanceRead only

Returnstrue if the user agent will not make further synchronization attempts after the current attempt.

Instance methods

Inherits methods from its parent,ExtendableEvent andEvent.

None.

Specifications

Specification
Web Background Synchronization
# sync-event

Browser compatibility

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