React Js Remove Odd Elements from List

<!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} = React;
    function App() {
      const [elements, setElements] = useState([1, 2, 3, 4, 5, 6, 7, 8, 9]);

const removeOddElements = () => {
        const filteredElements = elements.filter((element) => element % 2 === 0);
        setElements(filteredElements);
      };

return (
        <div className='container'>
          <h1>React Js Remove Odd Elements from List</h1>
          <button onClick={removeOddElements}>Remove Odd</button>
          <ul>
            {elements.map((element, index) => (
              <li key={index}>{element}</li>
            ))}
          </ul>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      width: 600px;
      margin: 0 auto;
      box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 6px -1px, rgba(0, 0, 0, 0.06) 0px 2px 4px -1px;
      padding: 20px;
    }

h1 {
      font-size: 24px;
      color: #333;
    }

button {
      background-color: #007BFF;
      color: #fff;
      padding: 10px 20px;
      border: none;
      border-radius: 5px;
      font-size: 16px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

button:hover {
      background-color: #0056b3;
    }

ul {
      list-style: none;
      padding: 0;
    }

li {
      font-size: 18px;
      margin: 5px 0;
      padding: 5px;
      background-color: #fff;
      border-radius: 5px;

}
  </style>
</body>

</html>