jQWidgets jqxQRcode displayLabel Property

Last Updated : 22 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 displayLabel property is used to set or return if the label of the displayed jqxQRcode is visible or not. It is of a boolean type and has no default value.

Syntax:

Set the displayLabel property:

$('Selector').jqxQRcode({ displayLabel: true });

Return the displayLabel property:

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

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 displayLabel 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 displayLabel 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({ 
                displayLabel: true, 
            }); 
            $("#jqxbtn").jqxButton({ 
                width: 280 
            }); 
            $("#jqxbtn").on("click", function () { 
                var dl = $('#jqxq').jqxQRcode('displayLabel'); 
                $('#log').text(dl); 
            }); 
        }); 
    </script> 
</body> 
</html>

Output:

Example 2: The following is another example of the jqxQRcode displayLabel 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 displayLabel 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({ 
                displayLabel: null, 
            }); 
            $("#jqxbtn").jqxButton({ 
                width: 280 
            }); 
            $("#jqxbtn").on("click", function () { 
                var dl = $('#jqxq').jqxQRcode('displayLabel'); 
                if (dl === null) { 
                    $('#log').text("Null!"); 
                } 
                else { 
                    $('#log').text("Not null!"); 
                } 
            }); 
        }); 
    </script> 
</body> 
</html>