The onrejectionhandled
property of the WindowEventHandlers
mixin is the event handler for processing rejectionhandled
events. These events are raised when Promise
s are rejected.
window.addEventListener("rejectionhandled", function(event) { ... }); window.onrejectionhandled = function(event) { ...};
window.onrejectionhandled = function(e) { console.log(e.reason); }
Specification |
---|
HTML Standard (HTML) # handler-window-onrejectionhandled |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
onrejectionhandled |
49 |
79 |
69
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 and enabled by default in Firefox 69.
|
No |
36 |
11 |
49 |
49 |
68
55
This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 but not enabled by default.
|
No |
11.3 |
5.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/WindowEventHandlers/onrejectionhandled