React - Fragment, const, let

1. Fragment

import React, { Component, Fragment } from 'react'; class App extends Component {   render(){     return(       <Fragment>         <div>         </div>         <div>         </div>         <div>         </div>       <Fragment>     );   } } <Fragment>

 

2. const, let

const variable = 'value'; {//함수 단위 scope} let variable = 'value'; {//블록 단위 scope}