React Js Check if a Checkbox is checked

<!DOCTYPE html>
<html>

</head>

<body>
  <div id="app"></div>
  <script type="text/babel">
    const { useState } = React;

function App() {
      const [isChecked, setIsChecked] = useState(false);

const handleCheckboxChange = () => {
        setIsChecked(!isChecked);
      };

return (
        <div className='container'>
        <h3>React Js Check if a Checkbox is checked | unchecked</h3>
          <label>
            <input
              type="checkbox"
              checked={isChecked}
              onChange={handleCheckboxChange}
            />
            Check me
          </label>
          <p>{isChecked ? 'Checkbox is checked' : 'Checkbox is not checked'}</p>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      width: 400px;
      margin: 0 auto;
      padding: 20px;

border-radius: 10px;
      box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
    }

h3 {
      font-size: 24px;
      margin-bottom: 20px;
      color: #333;
    }

label {
      display: flex;
      align-items: center;
      font-size: 16px;
      color: #333;
    }

input[type="checkbox"] {
      appearance: none;
      width: 20px;
      height: 20px;
      border: 2px solid #333;
      border-radius: 5px;
      margin-right: 10px;
      cursor: pointer;
      transition: border-color 0.3s, background-color 0.3s;
    }

input[type="checkbox"]:checked {
      border-color: #4caf50;
      background-color: #4caf50;
    }

p {
      font-size: 14px;
      color: #666;
    }
  </style>
</body>

</html>