| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 | <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="./html5-qrcode.min.js"></script><script>function onScanSuccess(decodedText, decodedResult) {  // handle the scanned code as you like, for example:  console.log(`Code matched = ${decodedText}`, decodedResult);}function onScanFailure(error) {  // handle scan failure, usually better to ignore and keep scanning.  // for example:  console.warn(`Code scan error = ${error}`);}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;    function onScanSuccess(decodedText, decodedResult) {        if (decodedText !== lastResult) {            ++countResults;            lastResult = decodedText;            // Handle on success condition with the decoded message.            console.log(`Scan result ${decodedText}`, decodedResult);        }    }    var html5QrcodeScanner = new Html5QrcodeScanner(        "qr-reader", { fps: 10, qrbox: 250 });    html5QrcodeScanner.render(onScanSuccess);});</script></head></html>
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