typescript 선택적 변수
const name = "kim", age = 21, gender = "male"; const sayHi = (name, age, gender) => { console.log(`hello ${name}, your are ${age}, you are a ${gender}`); } sayHi(name, age, gender); export {}; 결과 : hello kim, your are 21, you are a male const name = "kim", age = 21, gender = "male"; const sayHi = (name, age, gender) => { console.log(`hello ${name}, your are ${age}, you are a ${gender}`); } sayHi..