The Window.onrejectionhandled property is an event handler for processing rejectionhandled events, which are raised when Promises are rejected.
window.addEventListener("rejectionhandled", function(event) { ... });
window.onrejectionhandled = function(event) { ...}; window.onrejectionhandled = function(e) {
console.log(e.reason);
} | Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'onrejectionhandled' in that specification. | Living Standard | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 49 | ? | No
|
No | No | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | No | ? | No
|
No | No | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onrejectionhandled