javascript inheritance demo

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

Person.prototype.greet = function(){
  console.log("Hello my name is " + this.name);
}

function Developer(name, city, language){
  Person.call(this, name, city);
  this.language = language;
}

// Assign person's prototype to developer's prototype 
Developer.prototype = Object.create(Person.prototype);

var nikhil = new Developer("Nikhil", "Pune", "Javascript");