2024最新qrcode.min.js生成二维码Demo

找了一堆代码一堆GPT，终于给写对了：

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>QRCode Example</title>
  <script src="https://cdn.jsdelivr.net/npm/qrcode/build/qrcode.min.js"></script>
</head>
<body>

<canvas id="canvas"></canvas> <!-- Canvas 元素 -->

<script>
  // 获取 canvas 元素
  const canvas = document.getElementById('canvas');

  // 使用 qrcode 库生成二维码
  QRCode.toCanvas(canvas, 'Hello World', function (error) {
    if (error) {
      console.error(error);
    } else {
      console.log('QR code successfully generated!');
    }
  });
</script>

</body>
</html>