react-study/index.html at main · sir0n08/react-study · GitHub

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<!DOCTYPE html>
<html>
  <body>
    <div id="root"></div>
  </body>
  <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script>
  <script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script>
  <script src="https://unpkg.com/prop-types@15.7.2/prop-types.js"></script>
  <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
  <script type="text/babel">
    const Btn = ({ text, fontSize = 12 }) => {
      return <button
      style={{
        backgroundColor:'tomato',
        color:'white',
        padding:'10px 20px',
        border: 0,
        borderRadius: 10,
        fontSize,
      }}>{text}</button>
    }
    Btn.propTypes = {
      text: PropTypes.string.isRequired,
      fontSize: PropTypes.number,
    }
    const App = () => {
      return(
      <div>
        <Btn text="Save Changes" fontSize={18} />
        <Btn text={"Continue"} />
      </div>
      )
    };
    const root = document.getElementById("root");
    ReactDOM.render(<App />, root);
  </script>
</html>