var student0 = {

firstName: "Jayne",

lastName: "Looo",

age: 8

};

console.log(student0.greeting());

Creates a new empty object

var student1 = new Object();

student1.firstName = "John";

student1.lastName = "Parker";

student1.age = 7;

var student2 = {};

student2.firstName = "Zack";

student2.lastName = "Bobo";

student2.age = 5;

var students = [];

function Student(first, last, age) {

this.firstName = first;

this.lastName = last;

this.age = age;

this.greeting = function() {

return "Hi, I'm " + this.firstName + " and I'm " + this.age + " years old.";

};

}

students.push(new Student("Jenny","Laga",5));

students.push(new Student("Timmy","Turner",8));

students.push(new Student("Carl","Jr",4));

var student = students[0];

//for in

for (var key in student) {

console.log(student[key]);

}

var s1 = new Student("Jenny","Laga",5);

console.log(s1);

console.log(s1.greeting());

students.push(student0);

students.push(student1);

students.push(student2);

for (var index = 0; index < students.length; index++) {

var student = students[index];

console.log(student.greeting());

}

console.log(student.firstName);

console.log(student.lastName);

console.log(student["firstName"]);

console.log(student["lastName"]);