| 123456789101112131415161718192021222324252627 | <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>const html5QrCode = new Html5Qrcode("qr-reader");// decodedText: 0xd1acf1eb9c956d1e90b650dd56bed57a5df2fcae// decodedResult: decodedResult: {"decodedText":"0xd1acf1eb9c956d1e90b650dd56bed57a5df2fcae","result":{"text":"0xd1acf1eb9c956d1e90b650dd56bed57a5df2fcae","format":{"format":0,"formatName":"QR_CODE"}}}const qrCodeSuccessCallback = (decodedText, decodedResult) => {    /* handle success */    alert('decodedText: ' + decodedText);};const config = { fps: 10, qrbox: 300 };// If you want to prefer back camerahtml5QrCode.start({ facingMode: "environment" }, config, qrCodeSuccessCallback);html5QrcodeScanner.render(onScanSuccess);</script></head></html>
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