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jQWidgets jqxListBox hasThreeStates Property

  • Last Updated : 07 Oct, 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 hasThreeStates property is used to set or return, if the checkboxes have three states i.e. checked, indeterminate, and unchecked. It is of type Boolean and its default value is false.

Syntax:

To set the hasThreeStates property:

$("#jqxListBox").jqxListBox({hasThreeStates:true}); 

 

To get the hasThreeStates property:

var hasThreeStates = $('#jqxListBox').jqxListBox('hasThreeStates'); 

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>

The below example illustrates the jqxListBox hasThreeStates property in jQWidgets.

Example: 

HTML




<!DOCTYPE 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 hasThreeStates Property
            </h3>
  
            <div id="jqxLB"></div>
            <br />
            <input type="button" id="jqxBtn" 
                   style="padding: 5px 20px;" 
                   value="Boolean" />
            <div id="log"></div>
        </center>
  
        <script type="text/javascript">
            $(document).ready(function () {
                var data = ["C", "CSS", "C++"];
  
                $("#jqxLB").jqxListBox({
                    source: data,
                    width: "200px",
                    height: "80px",
                    checkboxes: true,
                   hasThreeStates:true
                });
  
                $("#jqxBtn").on("click", function () {
                    var ts = $("#jqxLB").jqxListBox("hasThreeStates");
                    $("#log").text(ts);
                });
            });
        </script>
    </body>
</html>

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxlistbox/jquery-listbox-api.htm


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