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