SyncEvent

Note: This feature is only available in Service Workers.

The SyncEvent interface of the Background Synchronization API represents a sync action that is dispatched on the ServiceWorkerGlobalScope of a ServiceWorker.

This interface inherits from the ExtendableEvent interface.

EventExtendableEventSyncEvent

Constructor

SyncEvent()

Creates a new SyncEvent object.

Instance properties

Inherits properties from its parent, ExtendableEvent and Event.

SyncEvent.tag Read only

Returns the developer-defined identifier for this SyncEvent.

SyncEvent.lastChance Read only

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

Instance methods

Inherits methods from its parent, ExtendableEvent and Event.

None.

Specifications