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jQWidgets jqxListBox updateAt() Method

  • Last Updated : 05 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 updateAt() method is used to update an item of the stated list box where the initial parameter is the new item and the second parameter is the item’s index which is to be updated. It does not return anything.

The following fields are used for the stated items of the list.

  • label
  • value
  • disabled
  • checked
  • hasThreeStates
  • html
  • group

Syntax:

$("#jqxListBox").jqxListBox('updateAt', 
    { label: "Text", value: "Id1" }, Index);

 



Parameter:

  • Item: The stated item of type object or string.
  • Index: The stated index of type number.

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 updateAt() 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 updateAt() Method
        </h3>
  
        <div id="jqxLB"></div>
        <br />
        <input type="button" id="jqxBtn" 
            style="padding: 5px 20px;" 
            value="update at first index" />
    </center>
  
    <script type="text/javascript">
        $(document).ready(function () {
            var data = [
                "C",
                "CSS",
                "C++"];
  
            $("#jqxLB").jqxListBox({
                source: data,
                width: "200px",
                height: "80px",
            });
  
            $("#jqxBtn").on("click", function () {
                $("#jqxLB").jqxListBox("updateAt", 'Scala', 1);
            });
        });
    </script>
</body>
  
</html>

Output:

updateAt method

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




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