React Js Enable Disable Dropdown

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.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 [isDropdownEnabled, setIsDropdownEnabled] = useState(true);

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        * {
            box-sizing: border-box;
        }

.container {
            margin: 0 auto;
            width: 600px;
            text-align: center;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
        }

label {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }

input[type="checkbox"] {
            margin-right: 10px;
        }

select {
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 16px;
            width: 200px;
        }

select:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
    </style>
</body>

</html>