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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() constructor creates a new SyncEvent object.
Syntax
var mySyncEvent = new SyncEvent(type, init)
Parameters
- type
- The type of the Event.
- init Optional
- An options object containing any custom settings that you want to apply to the event object. Options are as follows:
tag: A developer-defined unique identifier for thisSyncEvent.lastChance: ABooleanindicating that the user agent will not make further synchronization attempts after the current attempt.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 49.0 | ? | ? | ? | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | ? | ? | ? | ? | ? | 49.0 |