WindowEventHandlers.onunhandledrejection
The onunhandledrejection
property of the
WindowEventHandlers
mixin is the EventHandler
for
processing unhandledrejection
events. These events are raised for unhandled
Promise
rejections.
Syntax
window.onunhandledrejection = function;
Value
function
is an EventHandler
or function to call when
unhandledrejection
events are received by the window. The event handler
receives as an input parameter as a PromiseRejectionEvent
.
Examples
This example logs unhandled rejections' reason
values to the console.
window.onunhandledrejection = function(e) {
console.log(e.reason);
}
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'onunhandledrejection' in that specification. |
Living Standard | Initial definition. |
Browser compatibility
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