index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Age Calculator</title>
    <!-- Link to the external CSS file for styling -->
    <link rel="stylesheet" href="styles.css">
</head>

<body>
    <div class="container">
        <h1>Age Calculator</h1>
        <!-- Form to input date of birth -->
        <form id="ageForm">
            <label for="dob">Enter your date of birth:</label>
            <!-- Date input for user to enter their date of birth -->
            <input type="date" id="dob" name="dob" required>
            <!-- Button to submit the form -->
            <button type="submit">Calculate Age</button>
        </form>
        <!-- Div to display the result -->
        <div id="result"></div>
    </div>
    <!-- Link to the external JavaScript file for functionality -->
    <script src="script.js"></script>
</body>

</html>