/////////////////datatypes summary /////////////////////

/// primitive datatype 
// 7 types : string. number, boolean , null ,  undefined , symbol , bigint 

const score = 100
const scoreValue = 100.09
const isLoggedIn = false
const outsideTemp = null

let userEmail;// undefined 

const ID = Symbol('1234')
const anotherID = Symbol('1234')
console.log(ID === anotherID );// false

const biggNumber = 2774763796237673n // bigint 


// refrenced types(non primitive datatype )
// array , object and function 

const heros = ["her0","naagraj","doga"]; //array
let myObj= { // object
    name: "hitesh",
    age: 22,
}
const myFunction = function(){
    // function
    console.log("hello wrold");
}

console.log(typeof outsideTemp); // object
console.log(typeof myFunction); // function object 
console.log(typeof ID); // SYMBOL