React/JSX.html at master · Saseungwon/React · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Example</title>
</head>
<body>

  <div id="root"></div>
  <script crossorigin src="https://unpkg.com/react@17/umd/react.development.js"></script>
  <script crossorigin src="https://unpkg.com/react-dom@17/umd/react-dom.development.js"></script>
  <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
  <script type="text/babel">
    console.log(React);
    console.log(ReactDOM)


    // React.createElement의 한계를 극복
    // 우리가 작성한 어떤 코드 => 순수하게 실행할 수 있는 자바스크립트로 변환하는 과정이 필요하다. => babel에 의해 진행됨
    ReactDOM.render(
      <div a="a">
        <div>
        <h1>주제</h1>
        <ul>
          <li>Vue</li>
          <li>React</li>
        </ul>
        </div>
      </div>,
      document.querySelector("#root")
    );
  </script>

</body>
</html>