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jQWidgets jqxListBox addItem() Method

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  • Last Updated : 14 Sep, 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 addItem() method is used to add a new item to the stated list. Moreover, it returns true, in case the new item is attached or else false, in case the item is not appended. It has a parameter named item which is of type object or string and it does not returns anything.

The following fields can be utilized in favor of the new item:

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

 

Syntax:

When item is of type string:

$("#jqxListBox").jqxListBox('addItem', 'Item');  

When item is of type object:

$("#jqxListBox").jqxListBox('addItem', { label: 'Text' value: 'Id'} );  

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


Output:

addItem method

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


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