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refactoring

qrcodejs
/
index-svg.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko">
  <head>
    <title>Cross-Browser QRCode generator for Javascript</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" />
    <script type="text/javascript" src="jquery.min.js"></script>
    <script type="text/javascript" src="qrcode.js"></script>
  </head>
  <body>
  <input id="text" type="text" value="http://jindo.dev.naver.com/collie" style="width:80%" />
  <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <g id="qrcode"/>
  </svg>
  <script type="text/javascript">
  var qrcode = new QRCode(document.getElementById("qrcode"), {
      width : 100,
      height : 100,
      useSVG: true
  });

  function makeCode () {
      var elText = document.getElementById("text");

      if (!elText.value) {
          alert("Input a text");
          elText.focus();
          return;
      }

      qrcode.makeCode(elText.value);
  }

  makeCode();

  $("#text").
      on("blur", function () {
          makeCode();
      }).
      on("keydown", function (e) {
          if (e.keyCode == 13) {
              makeCode();
          }
      });
    </script>
  </body>
</html>