This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The SyncEvent.lastChance read-only property of the SyncEvent interface returns true if the user agent will not make further synchronization attempts after the current attempt. This is the value passed in the lastChance parameter of the SyncEvent() constructor.
Syntax
var lastChance = SyncEvent.lastChance
Value
A Boolean that indicates whether the user agent will not make further synchronization attempts after the current attempt.
Specifications
| Specification |
|---|
| Web Background Synchronization |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
lastChance | Chrome Full support 49 | Edge Full support ≤79 | Firefox ? | IE ? | Opera ? | Safari ? | WebView Android No support No | Chrome Android Full support 49 | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 5.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.