const v.s let

• const → 상수
• let → 변수

Object

const player = {
  name: "yeeun",
  points: 100,
  handsome: true,
  fat: "little bit",
};

console.log(player);
console.log(player.n게사기

const player = {
  name: "yeeun",
  sayhello: function (othername) {
    console.log("hello! " + othername);
  },
};

console.log(player.name);
player.sayhello("lynn");

• 계산기 예제