code-boxx/0-JS-QR-CODE.MD

## 0-JS-QR-CODE.MD

      
    Raw
  

              0-JS-QR-CODE.MD
            
          
    JAVASCRIPT GENERATE QR CODE

https://code-boxx.com/generate-qr-code-javascript/
LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## 1-basic-qr.html
<!DOCTYPE html>
<html>
  <head>
    <title>QR Code Generate</title>

    <!-- (A) LOAD QRCODEJS LIBRARY -->
    <!-- https://cdnjs.com/libraries/qrcodejs -->
    <!-- https://github.com/davidshimjs/qrcodejs -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  </head>
  <body>
    <!-- (B) GENERATE QR CODE HERE -->
    <div id="qrcode"></div>

    <!-- (C) CREATE QR CODE ON PAGE LOAD -->
    <script>
    window.addEventListener("load", () => {
      var qrc = new QRCode(document.getElementById("qrcode"), "https://code-boxx.com/");
    });
    </script>
  </body>
</html>

## 2-options.html
<!DOCTYPE html>
<html>
  <head>
    <title>QR Code Generate</title>

    <!-- (A) LOAD QRCODEJS LIBRARY -->
    <!-- https://cdnjs.com/libraries/qrcodejs -->
    <!-- https://github.com/davidshimjs/qrcodejs -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  </head>
  <body>
    <!-- (B) GENERATE QR CODE HERE -->
    <div id="qrcode"></div>

    <!-- (C) CREATE QR CODE ON PAGE LOAD -->
    <script>
    window.addEventListener("load", () => {
      var qrc = new QRCode(document.getElementById("qrcode"), {
        text: "https://code-boxx.com/",
        width: 100,
        height: 100,
        colorDark: "#ff0000",
        colorLight: "#ffffff",
        // QRCode.CorrectLevel.L | QRCode.CorrectLevel.M | QRCode.CorrectLevel.H
        correctLevel : QRCode.CorrectLevel.H
      });
    });
    </script>
  </body>
</html>

## 3-types.html
<!DOCTYPE html>
<html>
  <head>
    <title>QR Code Generate</title>

    <!-- (A) LOAD QRCODEJS LIBRARY -->
    <!-- https://cdnjs.com/libraries/qrcodejs -->
    <!-- https://github.com/davidshimjs/qrcodejs -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  </head>
  <body>
    <!-- (B) GENERATE QR CODE HERE -->
    Website <div id="qrA"></div>
    Tel <div id="qrB"></div>
    SMS <div id="qrC"></div>
    VCARD <div id="qrD"></div>

    <!-- (C) CREATE QR CODE ON PAGE LOAD -->
    <!-- https://github.com/zxing/zxing/wiki/Barcode-Contents -->
    <script>
    window.addEventListener("load", () => {
      // (C1) WEBSITE
      new QRCode(document.getElementById("qrA"), "https://code-boxx.com/");

      // (C2) TEL
      new QRCode(document.getElementById("qrB"), "tel:+12345678");

      // (C3) SMS
      new QRCode(document.getElementById("qrC"), "sms:+12345678");

      // (C4) VCARD
      let card = "BEGIN:VCARD\r\n";
      card += "VERSION:3.0\r\n";
      card += "FN:John Doe\r\n";
      card += "TEL;TYPE=home:tel:+1-123-456-789";
      card += "EMAIL;TYPE=internet:john@doe.com";
      new QRCode(document.getElementById("qrD"), card);
    });
    </script>
  </body>
</html>

## 4-print.html
<!DOCTYPE html>
<html>
  <head>
    <title>QR Code Generate</title>

    <!-- (A) LOAD QRCODEJS LIBRARY -->
    <!-- https://cdnjs.com/libraries/qrcodejs -->
    <!-- https://github.com/davidshimjs/qrcodejs -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
  </head>
  <body>
    <!-- (B) QR CODE HERE -->
    <div id="printable">
      <h1>FOO BAR!</h1>
      <p>This can be a Vcard, event, special offer, or something that you want users to print.</p>
      <div id="qrcode"></div>
    </div>
    <button id="qrprint">PRINT</button>

    <!-- (C) CREATE QR CODE ON PAGE LOAD -->
    <script>
    window.addEventListener("load", () => {
      // (C1) CREATE QR
      var qrc = new QRCode(document.getElementById("qrcode"), {
        text: "https://code-boxx.com/",
        width: 100,
        height: 100,
        colorDark: "#bf2a2a"
      });

      // (C2) PRINT
      document.getElementById("qrprint").onclick = () => {
        var printwin = window.open("");
        printwin.document.write(document.getElementById("printable").innerHTML);
        printwin.stop();
        let qr = printwin.document.querySelector("#qrcode img");
        qr.addEventListener("load", () => {
          printwin.print();
          printwin.close();
        });
      };
    });
    </script>
  </body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>QR Code Generate</title>

	<!-- (A) LOAD QRCODEJS LIBRARY -->
	<!-- https://cdnjs.com/libraries/qrcodejs -->
	<!-- https://github.com/davidshimjs/qrcodejs -->
	<script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js"></script>
	</head>
	<body>
	<!-- (B) GENERATE QR CODE HERE -->
	<div id="qrcode"></div>

	<!-- (C) CREATE QR CODE ON PAGE LOAD -->
	<script>
	window.addEventListener("load", () => {
	var qrc = new QRCode(document.getElementById("qrcode"), "https://code-boxx.com/");
	});
	</script>
	</body>
	</html>