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+<html>
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+<head>
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+ <title>Html-Qrcode Demo</title>
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+<body>
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+ <div id="qr-reader" style="width:500px"></div>
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+ <div id="qr-reader-results"></div>
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+</body>
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+<script src="./html5-qrcode.min.js"></script>
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+<script>
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+function onScanSuccess(decodedText, decodedResult) {
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+ // handle the scanned code as you like, for example:
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+ console.log(`Code matched = ${decodedText}`, decodedResult);
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+}
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+
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+function onScanFailure(error) {
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+ // handle scan failure, usually better to ignore and keep scanning.
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+ // for example:
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+ console.warn(`Code scan error = ${error}`);
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+}
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+
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+function docReady(fn) {
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+ // see if DOM is already available
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+ if (document.readyState === "complete"
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+ || document.readyState === "interactive") {
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+ // call on next available tick
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+ setTimeout(fn, 1);
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+ } else {
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+ document.addEventListener("DOMContentLoaded", fn);
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+ }
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+}
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+
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+docReady(function () {
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+ var resultContainer = document.getElementById('qr-reader-results');
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+ var lastResult, countResults = 0;
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+ function onScanSuccess(decodedText, decodedResult) {
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+ if (decodedText !== lastResult) {
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+ ++countResults;
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+ lastResult = decodedText;
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+ // Handle on success condition with the decoded message.
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+ console.log(`Scan result ${decodedText}`, decodedResult);
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+ }
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+ }
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+
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+ var html5QrcodeScanner = new Html5QrcodeScanner(
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+ "qr-reader", { fps: 10, qrbox: 250 });
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+ html5QrcodeScanner.render(onScanSuccess);
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+});
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+</script>
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+</head>
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+</html>
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