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HTML QR Code Tag –

HTML TUTORIALS-

HTML QR Code Tag –

Introduction-

🔹HTML How to generate and display QR codes using various methods, including JavaScript libraries, Google Chart API, and inline SVG QR code in HTML, you can use a JavaScript library like QRCode.js or a CDN. Here's a simple example using QRCode.js via CDN

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✅ Example 1: QR Code from Text Input (User Enters Data):-

<!DOCTYPE html> 
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
</head>
<body>
  <h3>Generate QR from Input</h3>
  <input type="text" id="text" placeholder="Enter text">
  <button onclick="generateQRCode()">Generate</button>
  <div id="qrcode"></div>

  <script>
    function generateQRCode() {
      const text = document.getElementById("text").value;
      document.getElementById("qrcode").innerHTML = ""; // Clear previous
      new QRCode(document.getElementById("qrcode"), text);
    }
  </script>
</body>
</html>

Generate QR from Input

✅ Example 2: QR Code with Color and Logo (Advanced):-

<!DOCTYPE html>
<html>
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  <style>
    #qrcode img {
      border: 5px solid #007bff;
      padding: 10px;
      background: white;
    }
  </style>
</head>
<body>
  <h3>Styled QR Code</h3>
  <div id="qrcode"></div>
  <script>
    new QRCode(document.getElementById("qrcode"), {
      text: "https://www.learntosap.com",
      width: 200,
      height: 200,
      colorDark: "#000000",
      colorLight: "#ffffff",
      correctLevel: QRCode.CorrectLevel.H
    });
  </script>
</body>
</html>

Styled QR Code

Live Code Preview

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