dom / latest / syncevent.html /

SyncEvent

Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

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

This interface inherits from the ExtendableEvent interface.

Event ExtendableEvent SyncEvent

Constructor

SyncEvent()

Creates a new SyncEvent object.

Properties

Inherits properties from its ancestor, 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.

Methods

Inherits methods from its parent, ExtendableEvent.

None.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
SyncEvent
49
79
No
No
36
No
49
49
No
36
No
5.0
SyncEvent
49
79
No
No
36
No
49
49
No
36
No
5.0
lastChance
49
79
No
No
36
No
49
49
No
36
No
5.0
tag
49
79
No
No
36
No
49
49
No
36
No
5.0

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SyncEvent