ErrorObserver

The ErrorObserver module defines an observer to listen for application errors. It can be used as an input parameter in errorManager.on to listen for errors that occur in the current application.

onUnhandledException

onUnhandledException(errMsg: string): void;

Called when an unhandled exception occurs in the JS runtime.

System capability: SystemCapability.Ability.AbilityRuntime.Core

Parameters

Example

import errorManager from '@ohos.app.ability.errorManager';

let observer = {
    onUnhandledException(errorMsg) {
        console.log('onUnhandledException, errorMsg: ' + JSON.stringify(errorMsg));
    }
};
errorManager.on('error',observer);