jQWidgets jqxComboBox updateItem() 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 updateItem() method is used to update the new item. It accepts two parameters, the first one is new item and the second one is the existing item that needs to update.

The Object represents the following fields:

label
value
disabled
checked
hasThreeStates
html
index
group

Syntax:

$('selector').jqxComboBox('updateItem', new_item, existing_item);

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 updateItem() 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 updateItem() Method 
        </h3> 
  
        <div id='jqxCB'></div> 
        <br> 
        <input type="button" id='jqxBtn' 
            style="padding: 5px 20px;" 
            value="Update Item" /> 
    </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( 
                    'updateItem', 'GeeksforGeeks', 'Python Programming'); 
            }); 
        }); 
    </script> 
</body> 
  
</html>