Create an object

//The first way of creating Object in JavaScript

const obj = {
    id: 1,
    name: "John",
    username: "Doe"
}

//The second way of creating Object in 
//JavaScript using Object constructor.
function Obj(id, name, username) {
    this.id;
    this.name;
    this.username;
}

const user = new Obj(1, 'John', 'Doe');

//The third way of creating object in JavaScript 
//is by using ES6 object literalls

let id = 1;
let name = 'John';
let username = 'Doe';

const obj = {
    id,
    name,
    username
}