Survey Creator

// Question Module
// Modules inheriting from Question:
// Likert, YesNo, Gender, Age

var Question = function(question, type, answerChoices){

    var text = question || '';
    var questionType = type || '';
    var answers = answerChoices || [];

    return {
        getQuestion: function () {
            return text;
        },
        getQuestionType: function() {
            return questionType;
        },
        getAnswerChoices: function () {
            return answers;
        },
        getRandomAnswer: function () {
            var randomNum = Math.floor(Math.random() * (answers.length - 1)) + 1;
            return answers[randomNum] || "Question not defined.";
        },
        printQuestion: function(){
            return ("Question: " + text + "\n" +
                    "Type: " + questionType + "\n" +
                    "Answer Choices: " + answers + "\n" +
                    "Your choice: " + this.getRandomAnswer());
        }
    };
};

var YesNo = function(question){
    Question.call(this, question, "Yes/No", ["Yes", "No"]);
};

YesNo.prototype = new Question();

var test = new YesNo("Do you own a cat?");

console.log(test.printQuestion());