처음 사용해보는데 은근 어렵다;; import 도 은근 귀찮음.. {} 특정 함수 호출 import { useState } from 'react'; import './Counter.css'; import CounterButton from './CounterButton' export default function Counter() { const [count, setCount] = useState(0); function incrementCounterParentFunction(by) { setCount(count + by) } function decrementCounterParetFunction(by) { setCount(count - by) } function resetCounter(by) { setCoun..