React Disable Button if Input Empty

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Disable Button if Input is Empty</title>

</head>

<body>
    <h1>Disable Button if Input is Empty Javascript</h1>
    <label for="inputField">Input:</label>
    <input type="text" id="inputField">
    <button id="submitButton" disabled>Submit</button>

input {
            padding: 5px;
            margin-right: 10px;
        }

button {
            padding: 7px 15px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }

button:disabled {
            background-color: #ddd;
            cursor: not-allowed;
        }
    </style>
</body>

</html>

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<!DOCTYPE html>
<html lang="en">
​
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Disable Button if Input is Empty</title>
​
</head>
​
<body>
    <h1>Disable Button if Input is Empty Javascript</h1>
    <label for="inputField">Input:</label>
    <input type="text" id="inputField">
    <button id="submitButton" disabled>Submit</button>
​
    <script>
        document.getElementById('inputField').addEventListener('input', function () {
            var inputValue = this.value.trim();
            var submitButton = document.getElementById('submitButton');
            submitButton.disabled = inputValue === '';
        });
    </script>
    <style>
        label {
            margin-right: 10px;
        }
​
        input {
            padding: 5px;
            margin-right: 10px;
        }
​
        button {
            padding: 7px 15px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
        }
​
        button:disabled {
            background-color: #ddd;
            cursor: not-allowed;
        }
    </style>
</body>
​
</html>