01_Variable.js

/* There are three ways with which ypu can declare varabial in javascript 

1) var
2) let
3) const


var :-  var is a globally scoped variable and it can be updated and re-declared within its scope. 

let :-  let is block scoped variable and it can be updated but it can not be re-declared. 

const :- the value stored with the help of const can not be changed. const can neither be upadted or re-declared.
          const must be initialized during declaration unlike var and let.

*/

let x = 56;
let y = 6;
let z = x + y;
console.log(z);


var a = 1;

const author="Pavan";

console.log(a,author);