jQWidgets jqxListBox checkAll() Method

Last Updated : 14 Sep, 2021

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 jqxListBox is used to illustrate a jQuery ListBox widget which comprises a list of electable elements.

The checkAll() method is used to check all the items of the stated list when the checkboxes property value is set to true. This method has no parameters and does not return anything.

Syntax:

$("#jqxListBox").jqxListBox('checkAll');

Linked Files: Download jQWidgets from the 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/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>

Example: The below example illustrates the jqxListBox checkAll() method in jQWidgets.

HTML

<html> 
    <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/jqx-all.js"> 
        </script> 
        <script type="text/javascript" 
                src="jqwidgets/jqxcore.js"> 
        </script> 
        <script type="text/javascript" 
                src="jqwidgets/jqxbuttons.js"> 
        </script> 
        <script type="text/javascript" 
                src="jqwidgets/jqxscrollbar.js"> 
        </script> 
        <script type="text/javascript" 
                src="jqwidgets/jqxlistbox.js"> 
        </script> 
    </head> 
    <body> 
        <center> 
            <h1 style="color: green;"> 
                GeeksforGeeks 
            </h1> 
            <h3> 
                jQWidgets jqxListBox checkAll() Method 
            </h3> 
            <div id="jqxLB"></div> 
            <br /> 
            <input type="button" id="jqxBtn" 
                   style="padding: 5px 20px;" 
                   value="check all the items" /> 
        </center> 
        <script type="text/javascript"> 
            $(document).ready(function () { 
                var data = [ 
                  "Computer Science",  
                  "C Programming", 
                  "C++ Programming", 
                  "Java Programming", 
                  "Python Programming"]; 
  
                $("#jqxLB").jqxListBox({ 
                    source: data, 
                    width: "200px", 
                    height: "80px", 
                    checkboxes:true 
                }); 
  
                $("#jqxBtn").on("click", function () { 
                    $("#jqxLB").jqxListBox("checkAll"); 
                }); 
            }); 
        </script> 
    </body> 
</html>