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jQWidgets jqxListBox val() Method

  • Last Updated : 14 Sep, 2021

Introduction: 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 val() method is used to set or get the selected value from the stated list of items. It returns a string.

Syntax:

  • To get the value:
var value = $("#jqxListBox").jqxListBox('val');
  • To get the value with the help of jQuery’s val():
var value = $("#jqxListBox").val();
  • To set the value:
$("#jqxListBox").jqxListBox('val', 'New Value');
  • To set the value with the help of jQuery’s val():
$("#jqxListBox").val('New Value');

Parameter:

  • value: The stated value of type string.

 

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: This example illustrates the jqxListBox val() method 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/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 val() Method
            </h3>
  
            <div id="jqxLB"></div>
            <br />
            <input type="button" id="jqxBtn" 
                style="padding: 5px 20px;" 
                value="set the new value" />
        </center>
        
        <script type="text/javascript">
            $(document).ready(function () {
                var data = [
                  "Computer Science", 
                  "C Programming",
                  "C++ Programming",
                  "Java Programming"];
  
                $("#jqxLB").jqxListBox({
                    source: data,
                    width: "200px",
                    height: "120px",
                });
                  
                $("#jqxBtn").on("click", function () {
                    $("#jqxLB").jqxListBox('val', "C Programming");
                });
            });
        </script>
    </body>
</html>

Output:

val method

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


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