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unhandledrejection/rejectionhandled events

The rejectionhandled event is fired when a Promise has been rejected, but because some other RejectionHandling code has since caught and dealt with the rejection. The rejectionhandled event will not be fired if the Promise was never handled at all.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 111

2 - 68

69 - 113

4 - 48

49 - 114

3.2 - 10.1

11 - 16.4

9.5 - 35

36 - 95

Fully Supported

Partially

No Support

Specifications

HTML Standard # event-unhandledrejection

Browser Compatibility

unhandledrejection/rejectionhandled events on IE is not supported on any IE versions.

unhandledrejection/rejectionhandled events on Edge is fully supported on 79-111, and not supported on 12-18 Edge versions.

unhandledrejection/rejectionhandled events on Firefox is fully supported on 69-113, and not supported on 2-68 Firefox versions.

unhandledrejection/rejectionhandled events on Chrome is fully supported on 49-114, and not supported on 4-48 Chrome versions.

unhandledrejection/rejectionhandled events on Safari is fully supported on 11-16.4, and not supported on 3.2-10.1 Safari versions.

unhandledrejection/rejectionhandled events on Opera is fully supported on 36-95, and not supported on 9.5-35 Opera versions.

unhandledrejection/rejectionhandled events on Safari on iOS is fully supported on 11.3-16.4, and not supported on 3.2-10.3 Safari on iOS versions.

unhandledrejection/rejectionhandled events on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.

unhandledrejection/rejectionhandled events on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.

unhandledrejection/rejectionhandled events on Chrome for Android is fully supported on all Chrome for Android versions.

unhandledrejection/rejectionhandled events on Firefox for Android is fully supported on all Firefox for Android versions.

unhandledrejection/rejectionhandled events on Samsung Internet is fully supported on 5-20, and not supported on 4-4 Samsung Internet versions.

Browser Support for unhandledrejection/rejectionhandled events

unhandledrejection/rejectionhandled events on Chrome

unhandledrejection/rejectionhandled events on Safari

unhandledrejection/rejectionhandled events on Firefox

unhandledrejection/rejectionhandled events on Internet Explorer

unhandledrejection/rejectionhandled events on Opera

unhandledrejection/rejectionhandled events on Edge

References

Data sourced from

High

Overall Browser Compatibility Score

Note:unhandledrejection/rejectionhandled events shows a browser compatibility score of 92. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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