BIG

 

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>Add React in One Minute</title>
  </head>
  <body>

    <h2>Add React in One Minute</h2>
    <p>This page demonstrates using React with no build tooling.</p>
    <p>React is loaded as a script tag.</p>

    <!-- We will put our React component inside this div. -->
    <div id="like_button_container"></div>

    <!-- Load React. -->
    <!-- Note: when deploying, replace "development.js" with "production.min.js". -->
    <script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js" crossorigin></script>

    <!-- Load our React component. -->
    <script>
    'use strict';

    const e = React.createElement;

    class LikeButton extends React.Component {
      constructor(props) {
        super(props);
        this.state = { liked: false };
      }

      render() {
        if (this.state.liked) {
          return 'You liked this.';
        }

        return e(
          'button',
          { onClick: () => this.setState({ liked: true }) },
          'Like'
        );
      }
    }

    const domContainer = document.querySelector('#like_button_container');
    const root = ReactDOM.createRoot(domContainer);
    root.render(e(LikeButton));
    </script>

  </body>
</html>

 

출처 : https://gist.github.com/gaearon/6668a1f6986742109c00a581ce704605

참고 : https://ko.reactjs.org/docs/javascript-environment-requirements.html

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