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jQWidgets jqxListMenu filterCallback Property

  • Last Updated : 23 Nov, 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 jqxListMenu is a jQuery widget that is used to display a collection of Ordered and Unordered Lists. We can create a nested list by using the ordered and unordered list.

The filterCallback property is used to set or return the filtered element using the filter input. It accepts function type values and its default value is function (text, searchValue){return text.toString().toLowerCase().indexOf(searchValue.toLowerCase()) >= 0;};

Syntax:

Set the filterCallback property.

$('selector').jqxListMenu({ filterCallback: Function });

Return the filterCallback property.

var filterCallback = 
    $('selector').jqxListMenu('filterCallback');

 

Linked Files: Download jQWidgets from the link https://www.jqwidgets.com/download/. 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/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistmenu.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxpanel.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>

The below example illustrates the jqxListMenu filterCallback property in jQWidgets.

Example:

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/jqx-all.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxdata.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxlistmenu.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxpanel.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxscrollbar.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxbuttons.js">
    </script>
    
    <style>
        h1,
        h3 {
            text-align: center;
        }
          
        #GFG {
            width: 100%;
            margin: 0 auto;
        }
    </style>
</head>
  
<body>
    <h1 style="color: green;">
        GeeksforGeeks
    </h1>
  
    <h3>
        jQWidgets jqxListMenu filterCallback Property
    </h3>
  
  
    <div id="GFG" style="width: 300px;">
        <ul id="list" data-role="listmenu">
            <li>Web Technology
                <ul data-role="listmenu">
                    <li>Frontend Development
                        <ul data-role="listmenu">
                            <li>HTML</li>
                            <li>CSS</li>
                            <li>JavaScript</li>
                            <li>jQuery</li>
                        </ul>
                    </li>
                    <li>Backend Development
                        <ul data-role="listmenu">
                            <li>PHP</li>
                            <li>Node.js</li>
                            <li>Python</li>
                            <li>Java</li>
                        </ul>
                    </li>
                </ul>
            </li>
            <li>GeeksforGeeks Programming
                <ul data-role="listmenu">
                    <li>C++</li>
                    <li>Java</li>
                    <li>Python</li>
                </ul>
            </li>
        </ul>
    </div>
  
    <script type="text/javascript">
        $(document).ready(function () {
            $('#list').jqxListMenu({
                width: 300,
                height: 250,
                showHeader: true,
                showBackButton: true,
                showFilter: true,
                filterCallback: function (text, searchValue) {
                    return text.toString().toLowerCase()
                    .indexOf(searchValue.toLowerCase()) >= 0;
                }
            });
        });
    </script>
</body>
  
</html>

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxlistmenu/jquery-listmenu-api.htm


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