JS Inheritence

gistfile1.js

var Person = function(firstName, lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
};

Person.prototype.sayHi = function() {
    return "Hello there!";
};


var Student = function(firstName, lastName, matriculatoryStatus) {
    Person.call(this, firstName, lastName);

    this.matriculatoryStatus = matriculatoryStatus;
};

Student.prototype = Object.create(Person.prototype);

Student.prototype.sayHiToTeacher = function() {
    return "Hi, teacher!";
};

var student = new Student("John", "Doe", "Freshman");