obj.js

function Person(name,age) {
  this.name = name;
  this.age = age;
}

// Let's make bob and susan again, using our constructor
var bob = Person("Bob Smith", 30);
var susan = new Person("Susan Jordan", 25);
console.log(bob)
console.log(this.name)
console.log(this.age)
console.log(susan)
console.log(susan.name)
console.log(susan.age)