Prototypes

prototypes.js

function Apple (type) {
    this.type = type;
    this.color = "red";
    this.getInfo = getAppleInfo;
}
 
// anti-pattern! keep reading...
function getAppleInfo() {
    return this.color + ' ' + this.type + ' apple';
}
var apple = new Apple('macintosh');
apple.color = "reddish";
alert(apple.getInfo());

var Person = {
  name: 'Sidd',
  age: 25,
  hobbies: ['cricket', 'mma'],
  greet: function() {
    console.log('My name is ' + this.name + ' and I am ' + this.age + ' years old'); 
  }
};
Person.greet();

var anotherPerson = Object.create(Person);

anotherPerson.name = 'Ray';
console.log(anotherPerson.age);

Object.prototype.greet = function() {
  console.log('Hello World, I am ' + this.name + '!!'); 
}
var sidd = Object.create(Person);
var ray = Object.create(Person);
ray.name = 'Ray';
// console.log(sidd.name);

sidd.greet();
ray.greet();
function Person(age, name, boy) {
  this.age =  age;
  this.name = name;
  this.boy = boy
  
  this.greet = function() {
    console.log("Hello I am " + this.name)
  }
}
Person.prototype.greet = function() {
  console.log('Hello World'); 
}
Person.prototype.name = 'Ray';

var person = new Person();
person.name = 'Ray';
var anotherPerson = new Person();
person.greet();
anotherPerson.greet();

console.log(person.name);

var person = new Person(25, 'Sid', true);
var anotherPerson = new Person(25, 'Siddhu', true);
console.log(person);
console.log(anotherPerson);

var account = {
  cash: 12000,
  withdraw: function(amount) {
     this.cash -= amount;
    console.log('Withdrew ' + amount + ' and the new reserve is ' + this.cash);
  }
}

Object.defineProperty(account, 'deposit', {
  value: function(amount){
    this.cash += amount;
  }
});
account.deposit(3000);
account.withdraw(1000);