index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>QR Code Generator</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
</head>
<body>
    <div class="header">
        <div class="box">
            <h1>
                QR Code Generator
            </h1>
            <hr />
            <div class="sqrcode"></div>
            <div class="qrcode"></div>
            <input type="text" placeholder="Paste a URL or enter text, then press enter" onchange="generateQr()" />
        </div>
    </div>
    <script src="script.js"></script>
</body>
</html>