mebjas/html-file.html

## html-file.html
<html>
  <head>
    <title>Html-Qrcode Demo</title>
  <body>
    <div id="qr-reader" style="width:500px"></div>
    <div id="qr-reader-results"></div>
  </body>
  <script src="https://raw.githubusercontent.com/mebjas/html5-qrcode/master/minified/html5-qrcode.min.js"></script>
  <script src="html5-qrcode-demo.js"></script>
  </head>
</html>

## html5-qrcode-demo.js
function docReady(fn) {
    // see if DOM is already available
    if (document.readyState === "complete" || document.readyState === "interactive") {
        // call on next available tick
        setTimeout(fn, 1);
    } else {
        document.addEventListener("DOMContentLoaded", fn);
    }
}

docReady(function() {
    var resultContainer = document.getElementById('qr-reader-results');
    var lastResult, countResults = 0;

    var html5QrcodeScanner = new Html5QrcodeScanner(
        "qr-reader", { fps: 10, qrbox: 250 });

    function onScanSuccess(decodedText, decodedResult) {
        if (decodedText !== lastResult) {
            ++countResults;
            lastResult = decodedText;
            console.log(`Scan result = ${decodedText}`, decodedResult);

            resultContainer.innerHTML += `<div>[${countResults}] - ${decodedText}</div>`;

            // Optional: To close the QR code scannign after the result is found
            html5QrcodeScanner.clear();
        }
    }

    // Optional callback for error, can be ignored.
    function onScanError(qrCodeError) {
        // This callback would be called in case of qr code scan error or setup error.
        // You can avoid this callback completely, as it can be very verbose in nature.
    }

    html5QrcodeScanner.render(onScanSuccess, onScanError);
});
	<html>
	<head>
	<title>Html-Qrcode Demo</title>
	<body>
	<div id="qr-reader" style="width:500px"></div>
	<div id="qr-reader-results"></div>
	</body>
	<script src="https://raw.githubusercontent.com/mebjas/html5-qrcode/master/minified/html5-qrcode.min.js"></script>
	<script src="html5-qrcode-demo.js"></script>
	</head>
	</html>
	function docReady(fn) {
	// see if DOM is already available
	if (document.readyState === "complete" \|\| document.readyState === "interactive") {
	// call on next available tick
	setTimeout(fn, 1);
	} else {
	document.addEventListener("DOMContentLoaded", fn);
	}
	}

	docReady(function() {
	var resultContainer = document.getElementById('qr-reader-results');
	var lastResult, countResults = 0;

	var html5QrcodeScanner = new Html5QrcodeScanner(
	"qr-reader", { fps: 10, qrbox: 250 });

	function onScanSuccess(decodedText, decodedResult) {
	if (decodedText !== lastResult) {
	++countResults;
	lastResult = decodedText;
	console.log(`Scan result = ${decodedText}`, decodedResult);

	resultContainer.innerHTML += `<div>[${countResults}] - ${decodedText}</div>`;

	// Optional: To close the QR code scannign after the result is found
	html5QrcodeScanner.clear();
	}
	}

	// Optional callback for error, can be ignored.
	function onScanError(qrCodeError) {
	// This callback would be called in case of qr code scan error or setup error.
	// You can avoid this callback completely, as it can be very verbose in nature.
	}

	html5QrcodeScanner.render(onScanSuccess, onScanError);
	});