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我正在尝试借助本教程创建Web App身份验证.这是我写的代码 -

var app = {};

app.configureCognito = function(){
    AWSCognito.config.region = 'us-east-1';

    var poolData = {
        UserPoolId: 'userPoolId',
        ClientId: 'ClientId'
    };

    var userPool = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserPool(poolData);
    var userData = {
                    UserName:'MyName',
                    Pool: userPool
    };

    var attributeList = [];

    var dataEmail = {
            Name: 'email',
            Value: 'mailme@mydomain.com'
    };

    var dataPhoneNumber = {
            Name: 'phone_number',
            Value: '+9112212212212'
    };

    var attributeEmail = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserAttribute(dataEmail);
    var attributePhoneNumber = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserAttribute(dataPhoneNumber);

    attributeList.push(attributeEmail);
    attributeList.push(attributePhoneNumber);

    var cognitoUser;

    userPool.signUp('userName','password',attributeList,null,function(err,result){
            if(err){
                    console.log(err);
                    alert(err);
                    return;
            }
            cognitoUser …