<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><!DOCTYPE html>
<html>
<head>
<!-- Include Bootstrap for styling -->
<link rel="stylesheet" href=
"https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" />
<style>
.qr-code {
max-width: 200px;
margin: 10px;
}
</style>
<title>QR Code Generator</title>
</head>
<body>
<div class="container-fluid">
<div class="text-center">
<!-- Get a Placeholder image initially,
this will change according to the
data entered later -->
<img src=
"https://chart.googleapis.com/chart?cht=qr&chl=Hello+World&chs=160x160&chld=L|0"
class="qr-code img-thumbnail img-responsive" />
</div>
<div class="form-horizontal">
<div class="form-group">
<label class="control-label col-sm-2"
for="content">
Content:
</label>
<div class="col-sm-10">
<!-- Input box to enter the
required data -->
<input type="text" size="60"
maxlength="60" class="form-control"
id="content" placeholder="Enter content" />
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<!-- Button to generate QR Code for
the entered data -->
<button type="button" class=
"btn btn-default" id="generate">
Generate
</button>
</div>
</div>
</div>
</div>
<script src=
"https://code.jquery.com/jquery-3.5.1.js">
</script>
<script>
// Function to HTML encode the text
// This creates a new hidden element,
// inserts the given text into it
// and outputs it out as HTML
function htmlEncode(value) {
return $('<div/>').text(value)
.html();
}
$(function () {
// Specify an onclick function
// for the generate button
$('#generate').click(function () {
// Generate the link that would be
// used to generate the QR Code
// with the given data
let finalURL =
'https://codingforfree.com/' +
htmlEncode($('#content').val()) +
'&chs=160x160&chld=L|0'
// Replace the src of the image with
// the QR code image
$('.qr-code').attr('src', finalURL);
});
});
</script>
</body>
</html>