WindowEventHandlers.onrejectionhandled

The Window.onrejectionhandled property is an event handler for processing rejectionhandled events, which are raised when Promises are rejected.

Syntax

window.addEventListener("rejectionhandled", function(event) { ... });
window.onrejectionhandled = function(event) { ...};

Specifications

Specification	Status	Comment
WHATWG HTML Living Standard The definition of 'onrejectionhandled' in that specification.	Living Standard	Initial definition.

Browser compatibility

• Desktop
• Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	49	?	?	?	?

Feature	Android	Android Webview	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	No support	No support	?	?	?	?	?	No support