Object.js

// crud 

// 
let uniqueId = Symbol(12)
let uniqueId1 = Symbol(12)
// console.log(uniqueId === uniqueId1)

let car = {
    name : "GT",
    maker : "BMW",
    [uniqueId] : 20
}
// console.log(car.name)
// console.log(car['maker'])
// console.log(car[uniqueId])

// update
car.name = "BMW"
// console.log(car)

// create
car.color = "Black"
// console.log(car)

// deletee
delete car.color
// console.log( car)

let obj1 = {one:1, two: 2}
let obj2 = {theree:3, four:4}

let comibinedObj = Object.assign({},obj1 , obj2)
// console.log(comibinedObj)
// console.log(obj1)  

// constructor function

function Vehical (name, maker, engine) {
    this.name = name
    this.maker = maker
    this.engine = engine

}

let car1 = new Vehical("GT", "BMW", "1992cc")
let car2 = new Vehical("Thar", "Mahindra", "2000cc")
console.log(car1)
console.log(car2)
console.log(car1.name)

let person = {
    name:"Alex"
}
Object.seal(person)
console.log(person)
person.age = 23
console.log(person)

let person2 = {...person}
console.log(person2)
person2.age = 23
console.log(person2)