React Js Subtract Days from Date

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState, useEffect } = React;
    function App() {
       const [last30DaysDate, setLast30DaysDate] = useState(null);

useEffect(() => {
        const currentDate = new Date();
        currentDate.setDate(currentDate.getDate() - 30);

setLast30DaysDate(currentDate.toLocaleDateString());
      }, []);

return (
        <div className='container'>
          <h3 className='title'>React Js Subtract Days from Date | Last 30 Days (Last Month) Example</h3>
          <p className='date'>Last 30 Days Date: {last30DaysDate || 'Loading...'}</p>
        </div>
      );
    }
    ReactDOM.render(<App />, document.getElementById("app"));
  </script>
  <style>
    .container {
      max-width: 500px;
      margin: 0 auto;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

/* Styles for the title */
    .title {
      font-size: 24px;
      color: #333;
      margin-bottom: 10px;
    }

/* Styles for the date paragraph */
    .date {
      font-size: 18px;
      color: #555;
    }
  </style>
</body>

</html>