hoisting.js

// fxn();          //  hoisting is you can access variable and 
// console.log(a); //  function before declaration or initialization


// var a = 10;
// function fxn(){
//     console.log("Hello I am a function")
// }


// console.log(a) 
let a = 10; // let and const are put in temporal dead zone
// console.log(a)

console.log(b);
const b = 30;
console.log(b);




// hello(); // undefined() not work undefined is not a function
// var hello = function(){
//     console.log("I am a function expression");
// }
// hello(); // undefined() not work

// var hello = ()=>{
//     console.log("hello i am arrow")
// }