JavaScript library for generating QR codes.
npm install @liquid-js/qrcode-generator
https://liquid-js.github.io/qrcode-generator/
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>QR Code Generator</title>
</head>
<body>
<div id="placeHolder"></div>
<script type="module">
import { QRCode } from "https://unpkg.com/@liquid-js/qrcode-generator/lib/qr-code.js";
const typeNumber = 4;
const errorCorrectionLevel = "L";
const qr = new QRCode(typeNumber, errorCorrectionLevel);
qr.addData("Hi!");
qr.make();
document.getElementById("placeHolder").innerHTML = qr.createImgTag();
</script>
</body>
</html>import { QRCode } from "@liquid-js/qrcode-generator";
const typeNumber = 4;
const errorCorrectionLevel = "L";
const qr = new QRCode(typeNumber, errorCorrectionLevel);
qr.addData("Hi!");
qr.make();
console.log(qr.createASCII());This implementation is based on JIS X 0510:1999.
The word 'QR Code' is registered trademark of DENSO WAVE INCORPORATED
http://www.denso-wave.com/qrcode/faqpatent-e.html