<html>
<head>
<title>Testing QR code</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script type="text/javascript">
function generateBarCode()
{
var nric = $('#text').val();
var url = 'https://api.qrserver.com/v1/create-qr-code/?data=' + nric + '&size=50x50';
$('#barcode').attr('src', url);
}
</script>
</head>
<body>
<input id="text" type="text"
value="NRIC or Work Permit" style="Width:20%"
onblur='generateBarCode();' />
<img id='barcode'
src="https://api.qrserver.com/v1/create-qr-code/?data=HelloWorld&size=100x100"
alt=""
title="HELLO"
width="50"
height="50" />
</body>
</html>