Description

my.onUnhandledRejection

Listens for unhandled Promise rejection events.

Input parameter

Function listener

The callback function for unhandled Promise rejection events.

Parameter

Object res

Attribute	Type	Description
reason	any	The rejection reason. The value passed to reject(), typically an Error object.
promise	Promise	The rejected Promise object. Note Android supports this field starting with Base Library 2.9.7.

Sample code

my.onUnhandledRejection(Function listener)

Page({
 onLoad() {
 my.onUnhandledRejection(this.unhandledRejectionHandler);
 },
 unhandledRejectionHandler(res) {
 console.log('onUnhandledRejection reason', res.reason);
 console.log('onUnhandledRejection promise', res.promise);
 }
})