my.onComponentError

Description

my.onComponentError listens for error events in the JavaScript code of Mini Program custom components. When JavaScript code in a custom component throws an error, the my.onComponentError callback runs, and the my.onError callback is also triggered.

Input parameter

Function listener

Parameter

Attribute	Node type	Description
error	Error	The exception object.
method	String	The custom component method where the exception occurred.
component	Component	The custom component instance where the exception occurred.

Sample code

my.onComponentError(Function listener)

Page({
 onLoad() {
 my.onComponentError(this.errorHandler);
 },
 
 errorHandler(error, method, component) {
 console.log('onComponentError res', error);
 console.log('onComponentError stack', method);
 console.log('onComponentError component', component);
 }
})