index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
    <link rel="stylesheet" href="style.css">
    <link rel="icon" type="image/png" href="images/age.png">
    <title>Age Calculator</title>

</head>
<body>
     
    <div class="container">
        <div class="calculator">
            <h1> Javascript <br> <span>Age Calculator</span> </h1>
            <div class="input-box">
                <input type="date" id="date">
                <br>
                <button onclick="calculateMyAge()">Calculate</button>
            </div>
            <p id="result"> </p>
        </div>
    </div>

    <script src="script.js"> </script>
</body>
</html>