jQWidgets jqxQRcode squareWidth Property

Last Updated : 14 Sep, 2022

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 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 squareWidth property is used to set or return the width of the square of the displayed jqxQRcode. It is of number type and its default value is 7.

Syntax:

Set the squareWidth property.

$('Selector').jqxQRcode({ squareWidth: 10 });

Return the squareWidth property.

var squareWidth = $('Selector').jqxQRcode('squareWidth');

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 squareWidth property in jQWidgets.

HTML

<!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 squareWidth Property </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({ 
                squareWidth: 2, 
            }); 
            $("#jqxbtn").jqxButton({ 
                width: 280 
            }); 
            $("#jqxbtn").on("click", function () { 
                var sw = $('#jqxq').jqxQRcode('squareWidth'); 
                $('#log').text(sw); 
            }); 
        }); 
    </script> 
</body> 
</html>

Output:

Example 2: The following is another example of the jqxQRcode squareWidth property in jQWidgets.

HTML

<!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 squareWidth Property </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({ 
                squareWidth: 0.9, 
            }); 
            $("#jqxbtn").jqxButton({ 
                width: 280 
            }); 
            $("#jqxbtn").on("click", function () { 
                var sw = $('#jqxq').jqxQRcode('squareWidth'); 
                if (sw === null) { 
                    $('#log').text("Null!"); 
                } 
                else { 
                    $('#log').text("Not null!"); 
                } 
            }); 
        }); 
    </script> 
</body> 
</html>