react state Set (1) 4. useState import {useState} from 'react'; //훅 function Header(props) { return { event.preventDefault(); props.onChangeMode(); }}>{props.title} } function Nav(props) { const lis = []; for(let i=0; i{t.title} ); } return {lis} } function Article(props) { return {props.title} {props.body} } function App() { /* const _mode = useState{'WELCOME'}; //초기값 const mode = _mode[0]; //상태값 const setMode = _mode[1]; //값.. 이전 1 다음