[Java Script] Computed property

📍 Computed property

✍ 코드

let a = 'age';

const user = {
  name : 'Mike',
  [a] : 30, // Computed property
  [1+4] : 5, // Computed property
  ["안녕하세요"] : 'Hello', // Computed property
}

console.log(user.name); // Mike
console.log(user["name"]); // Mike
console.log(user.age); // 30
console.log(user["age"]); // 30
console.log(user[5]); // 5
console.log(user.안녕하세요); // Helo
console.log(user["안녕하세요"]); // Hello