Limited availability
Note: This feature is only available in Service Workers.
The SyncEvent()
constructor creates a new SyncEvent
object.
new SyncEvent(type, options)
Parameters
type
A string with the name of the event. It is case-sensitive and browsers always set it to sync
.
options
An object that, in addition to the properties defined in ExtendableEvent()
, can have the following properties:
tag
A developer-defined unique identifier for this SyncEvent
.
lastChance
Optional
A boolean value indicating that the user agent will not make further synchronization attempts after the current attempt. It defaults to false
.
A new SyncEvent
object.
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