jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxQRcode is in version 14 of jQWidgets and is used to indicate a widget that can display QR codes as well as possesses API in order to approve, export, and also personalize them.
The getDataURL() method is used to return the base64 string of the displayed jqxQRcode.
Syntax:
$('Selector').jqxQRcode("getDataURL", "format");
Parameters:
- format: It is the stated format in which the file is to be exported. For example, SVG, png, or jpg. It is of type string.
Return type: This method returns a String value.
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxqrcode.js”> </script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”> </script>
Example 1: The below example illustrates the jqxQRcode getDataURL() method in jQWidgets.
<!DOCTYPE html> <html lang="en">
<head>
<link rel="stylesheet" href="jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript" src=
"scripts/jquery-1.11.1.min.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxcore.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxqrcode.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxbuttons.js">
</script>
</head>
<body>
<center>
<h1 style="color:green">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxQRcode getDataURL() method
</h3>
<div id="jqxq"></div>
<input type="button" style="margin:29px;" id="jqxbtn" value="Click here" />
<div id="log"></div>
</center>
<script type="text/javascript">
$(document).ready(function () {
$("#jqxq").jqxQRcode({
});
$("#jqxbtn").jqxButton({
width: 280
});
$("#jqxbtn").on("click", function () {
$('#jqxq').jqxBarcode('getDataURL', "png");
$('#log').text("Function invoked!");
});
});
</script>
</body>
</html>
|
Output:
Example 2: The following is another example of the jqxQRcode getDataURL() method in jQWidgets.
<!DOCTYPE html> <html lang="en">
<head>
<link rel="stylesheet" href="jqwidgets/styles/jqx.base.css" type="text/css" />
<script type="text/javascript" src=
"scripts/jquery-1.11.1.min.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxcore.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxqrcode.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxbuttons.js">
</script>
</head>
<body>
<center>
<h1 style="color:green">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxQRcode getDataURL() method
</h3>
<div id="jqxq"></div>
<input type="button" style="margin:29px;" id="jqxbtn" value="Click here" />
<div id="log"></div>
</center>
<script type="text/javascript">
$(document).ready(function () {
$("#jqxq").jqxQRcode({
});
$("#jqxbtn").jqxButton({
width: 280
});
$("#jqxbtn").on("click", function () {
var format = null;
var g = $('#jqxq').jqxBarcode('getDataURL', format);
if (format === null) {
$('#log').text("Null!");
}
else {
$('#log').text("Not null!");
}
});
});
</script>
</body>
</html>
|
Output: