OOP.js

//By object Create
//We can make some props non enumerable
//We can make some props non writable and non configurable
var cat =  Object.create(Object.prototype,{
	name : {
		value :'samundra',
		enumerable : true,
		writable : true,
		configurable: true
	},
	lastname :{
		value : 'khatri',
		enumerable : true,
		writable :true,
		configurable : true
	}
});


//Object.freeze -  To freeze object from overriden
//Object.getOwnPropertyDescriptor -  To see the description of property of object
//Object.defineProperty  - To define defination of property of object
//Object.keys  -  Collection of keys of object

function Cat(name,color){
	this.name = name;
	this.color =  color;
}

Cat.prototype.age = 12;
var fluffy =  new Cat('fluffy','white');
var honey = new Cat('honey','singh');

console.log(Cat.prototype);
console.log(fluffy.__proto__);
console.log(honey.__proto__);

fluffy.age = 10;
console.log(fluffy.age);
console.log(honey.age);