jQWidgets jqxComboBox updateAt() Method

Last Updated : 22 Aug, 2021

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful and optimized framework, platform-independent, and widely supported. The jqxComboBox is used to represent a jQuery combobox widget that contains an input field with autocomplete functionality and a list of selectable items displayed in a drop-down.

The updateAt() method is used to update an item at the given index. It accepts two parameters, the first one is new item and the second one is index number where the item will update.

The Object value represents the following fields:

label
value
disabled
checked
hasThreeStates
html
index
group

Syntax:

$('selector').jqxComboBox('updateAt', item, index );

Linked Files: Download jQWidgets from https://www.jqwidgets.com/download/ 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/jqxcolorpicker.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>
<script type=”text/javascript” src=”jqwidgets/jqxcombobox.js”></script>

The below example illustrates the jqxComboBox updateAt() method 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/jqx-all.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxcore.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxcolorpicker.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> 
    <script type="text/javascript" 
        src="jqwidgets/jqxcombobox.js"></script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h3> 
            jQWidgets jqxComboBox updateAt() Method 
        </h3> 
  
        <div id='jqxCB'></div> 
        <br> 
        <input type="button" id='jqxBtn' 
            style="padding: 5px 20px;" 
            value="Update Item At Index" /> 
    </center> 
  
    <script type="text/javascript"> 
        $(document).ready(function() { 
            var data = [ 
                "Computer Science", 
                "C Programming", 
                "C++ Programming", 
                "Java Programming", 
                "Python Programming", 
                "HTML", 
                "CSS", 
                "JavaScript", 
                "jQuery", 
                "PHP", 
                "Bootstrap" 
            ]; 
  
            $("#jqxCB").jqxComboBox({ 
                source: data, 
                width: '250px', 
                animationType: 'slide', 
                selectedIndex: 0 
            }); 
  
            $('#jqxBtn').on('click', function() { 
                var index = $("#jqxCB").jqxComboBox( 
                    'updateAt', 'GeeksforGeeks', 2); 
            }); 
        }); 
    </script> 
</body> 
  
</html>