React 기초

Modern React = Class형 컴포넌트 -> Hooks+함수형 컴포넌트

2022-08-24

  • React uses Virtual DOM
    1. new changes (updates) applied in virtual DOM
    2. Virtual DOM copmared with Real DOM
    3. only changed items applied to Real DOM => EFFICIENT!
  • Required:
    1. Node JS
    2. Yarn (quicker than NPM)
    3. VS CODE (or use online IDE (code sandbox))
    4. git
npm create-react-app APPNAME
yarn start (또는 npm start)
  • Componenets (Function형)
    import React from 'react' #