React Js Remove Item from array by Index

<!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 [items, setItems] = useState(['item1', 'item2', 'item3', 'item4']);

const removeItemByIndex = (index) => {
        const updatedItems = [...items];
        updatedItems.splice(index, 1);
        setItems(updatedItems);
      };

return (
        <div className='container'>
          <h3>React Js Remove Item from array by Index</h3>
          <h1>Items List</h1>
          <ul>
            {items.map((item, index) => (
              <li key={index}>
                {item}
                <button onClick={() => removeItemByIndex(index)}>Remove</button>
              </li>
            ))}
          </ul>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      font-family: Arial, sans-serif;
      text-align: center;
      margin: 2rem auto;
      padding: 1.5rem;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      border-radius: 8px;
      background-color: #ffffff;
      max-width: 400px;
    }

h3 {
      font-size: 1.2rem;
      color: #333333;
    }

h1 {
      font-size: 2rem;
      color: #333333;
      margin-top: 1.5rem;
    }

ul {
      margin-top: 1.5rem;
    }

li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.5rem 1rem;
      border-bottom: 1px solid #dddddd;
    }

button {
      padding: 0.3rem 0.5rem;
      background-color: #ff6347;
      color: #ffffff;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

button:hover {
      background-color: #d43f00;
    }
  </style>
</body>

</html>