const 와 let의 차이점

const

• cannot be changed

let

• can be changed later

const a = 5;
const b = 2;
let myName = "Hanju";

console.log(a + b);
console.log(a * b);
console.log(a / b);
console.log("Hello! " + myName);

myName = "LiJell";

console.log("your new name is " + myName);