What is Component? ๋ฆฌ์กํธ์์ ์๋กญ๊ฒ ์๊ฒ๋ ๊ฐ๋ component! ๋ฆฌ์กํธ์์๋ ๋ชจ๋ ๊ฒ์ component๋ผ๊ณ ํ๋ค ex) ์ปดํฌ๋ํธ๋ฅผ ๋ง๋ค๊ณ , ์ปดํฌ๋ํธ๊ฐ ๋ฐ์ดํฐ๋ฅผ ๋ณด์ฌ์ฃผ๊ฒ ํ๊ณ , ์ปดํฌ๋ํธ๋ฅผ ๋ณด๊ธฐ ์ข๊ฒ ๋ง๋ค๊ณ .. Component๋? HTML์ ๋ฐํํ๋ ํจ์ [Component์ ํํ] // App.js import React from 'react'; function App() { return Helloddd!!; } export default App; // index.js import React from 'react'; import ReactDOM from 'react-dom'; import App from './App'; ReactDOM.render(, document.getElemen..