var Question = function ( question, answers, right){
    this.question = question;
    this.answers = answers;
    this.right = right;
}

var q1 = new Question ('* What is the best programming language?' ,
         ['Java', 'JavaScript', 'Python'],
         1);

var q2 = new Question('* What is the best way to manage it',
         ['Study', 'Practice', 'Both'],
         2);

var q3 = new Question('* Do you think you will be a programmer one day?',
         ['YESSSS', 'Maybe', 'Unfortunately no'],
         0);

var q4 = new Question('* How long will it take to be a programmer?',
         ['Don\'t know', '6 months', 'Yeaaars'],
         1);

Question.prototype.displayQuestion = function(){
console.log(this.question);

    for(var i = 0; i<this.answers.length; i++){
        console.log(i + '. ' + this.answers[i]);
    }

}

Question.prototype.checkIfCorrect = function(ans, comeBack){
    var po;
    if (ans === this.right){
        console.log('Correct answer! Good Job!');
        po = comeBack(true);
    } else {
        console.log('Sorry not corret. Try again :)');
        po = comeBack(false);
    }
//    this.displayPoints(po);
}

//Question.prototype.displayPoints = function(points){
//    console.log('Your score is ' + points +'!');
//    console.log('*^*^*^*^**^*^*');
//}

function points(){
    var po = 0;
    return function(right){
        if(right){
            po++;
            console.log('Your score is 1 point more! Now it\'s ' + po); // I added this part.
            console.log('*^*^*^*^*^*^*'); // also this.
        } else {
        console.log('Your score is still ' + po + '.'); // and this.
        console.log('*^*^*^*^*^*^*'); // and this :)
        }
        return po;
    }
}
var keepPoints = points();

var questions = [q1, q2, q3, q4];


 function nextQuestion(){

var n = Math.floor(Math.random() * questions.length);
questions[n].displayQuestion();

var answer = prompt('Please enter the your answer: ');
     if (answer !== 'exit'){
 questions[n].checkIfCorrect(parseInt(answer
), keepPoints);
     nextQuestion();
     }
 }
nextQuestion();