// const circle = {

// radius : 1 ,

// location : {

// x :1,

// y:2,

// },

// draw : function () {

// console.log ('Draw a circle');

// }

// }

// console.log (circle.location);

// factory fucntions

function createaCircle (radius){

return {

radius,

draw (){

console.log ('Draw a circle');

}

};

}

const circle1 = createaCircle (1);

console.log (circle1);

//constructor functions

function Circle (radius){

this.radius = radius;

this.draw = function (){

console.log ("draw");

}

}

//Dynamic natire of objects

const person = {

firstName: "John",

lastName : "Doe",

id : 5566,

fullName: function (){

return this.firstName + " " + this.lastName;

}

};

// Calling a objects

console.log (person.firstName);

//Primitives are copied by their value

// let x = 10 ;

// let y = x;

// console.log (y);

// Objects are copied by Reference

// let x = { value : 20};

// let y = x ;

//console.log (y.value);

// Enumeration

const circle = {

radius : 1,

draw : function (){

console.log ('draw');

}

}

for ( let key in circle){

console.log (key , circle[key]);

}

console.log ("Umer is Netsuite good Developer");