function Employee () {}

Employee.prototype.firstName = "Abhijit";
Employee.prototype.lastName = "Patel";
Employee.prototype.startDate = new Date();
Employee.prototype.signedNDA = true;
Employee.prototype.fullName = function () {
    console.log (this.firstName + " " + this.lastName);
};

var abhijit = new Employee () //
console.log(abhijit.fullName()); // Abhijit Patel
console.log(abhijit.signedNDA); // true

function Employee (name, profession) {
    this.name = name;
    this.profession = profession;
} // Employee () is the constructor function because we use the new keyword below to invoke it.

var richard = new Employee (“Richard”, “Developer”) // richard is a new object we create from the Employee () constructor function.

console.log(richard.name); //richard
console.log(richard.profession); // Developer

function User (theName, theEmail) {
    this.name = theName;
    this.email = theEmail;
    this.quizScores = [];
    this.currentScore = 0;
}

User.prototype = {
    constructor: User,
    saveScore:function (theScoreToAdd)  {
        this.quizScores.push(theScoreToAdd)
    },
    showNameAndScores:function ()  {
        var scores = this.quizScores.length > 0 ? this.quizScores.join(",") : "No Scores Yet";
        return this.name + " Scores: " + scores;
    },
    changeEmail:function (newEmail)  {
        this.email = newEmail;
        return "New Email Saved: " + this.email;
    }
}

// A User
firstUser = new User("Richard", "Richard@examnple.com");
firstUser.changeEmail("RichardB@examnple.com");
firstUser.saveScore(15);
firstUser.saveScore(10);

firstUser.showNameAndScores(); //Richard Scores: 15,10

// Another User
secondUser = new User("Peter", "Peter@examnple.com");
secondUser.saveScore(18);
secondUser.showNameAndScores(); //Peter Scores: 18

// We have a simple cars object
var cars = {
    type: "sedan",
    wheels: 4
};

// We want to inherit from the cars object, so we do:
var toyota = Object.create(cars); // now toyota inherits the properties from cars
console.log(toyota.type); // sedan

 function inheritPrototype(childObject, parentObject) {
    var copyOfParent = Object.create(parentObject.prototype);

    copyOfParent.constructor = childObject;

    childObject.prototype = copyOfParent;
}