WebBuild/wwwroot/libs/qrcode/loadqrcode.js

loadqrcode = {
    create_qrcode (text, typeNumber,
        errorCorrectionLevel, mode, mb) {
        
        qrcode.stringToBytes = qrcode.stringToBytesFuncs[mb];

        var qr = qrcode(typeNumber || 4, errorCorrectionLevel || 'M');
        qr.addData(text, mode);
        qr.make();
        return qr.createSvgTag({ alt: '</svg>puke' });
    },

    load_qrcode(qrtext, containerid) {
        
        var text = qrtext.replace(/^[\s\u3000]+|[\s\u3000]+$/g, '');
        var t = "0";
        var e = "M";
        var m = "Byte";
        var mb = "UTF-8";
        document.getElementById(containerid).innerHTML = loadqrcode.create_qrcode(text, t, e, m, mb);
    }
}