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jQWidgets jqxDropDownList insertAt() Method

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  • Last Updated : 11 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 jqxDropDownList widget is a jQuery drop-down list that contains a list of selectable items displayed in the drop-down list.

The insertAt() method is used to insert a new item to the jqxDropDownList. It returns true if the new item is inserted or false if insertion fails. It accepts two parameters, the first one is an item of String/Object type and the second is an index of Number type.

The following fields can be used for the item.

  • label: It specifies the label of the item.
  • value: It specifies the value of the item.
  • disabled: It specifies whether the item is enabled/disabled.
  • checked: It specifies whether the item is checked/unchecked.
  • hasThreeStates: It specifies that the checkbox item supports three states.
  • html: It specifies the display item in HTML. It can be used instead of a label.
  • index: It specifies the item index number.
  • group: It specifies the item’s group.

Syntax:

$("Selector").jqxDropDownList('insertAt', item, index);

 

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” />
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.energyblue.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>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>

Example: The below example illustrates the jqxDropDownList insertAt() method in jQWidgets.

HTML




<!DOCTYPE html>
<html lang="en">
  
<head>
    <link rel="stylesheet" href=
        "jqwidgets/styles/jqx.base.css" type="text/css" />
    <link rel="stylesheet" href=
        "jqwidgets/styles/jqx.energyblue.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>
    <script type="text/javascript" 
        src="jqwidgets/jqxdropdownlist.js"></script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
  
        <h3>
            jQWidgets jqxDropDownList insertAt() Method
        </h3>
  
        <div id='jqxDDL'></div>
  
        <input id="jqxBtn" type="button" 
            value="Insert Item at Given Index" 
            style="padding: 5px 15px; margin-top: 50px;">
    </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"
            ];
  
            $("#jqxDDL").jqxDropDownList({
                source: data,
                theme: 'energyblue'
            });
  
            $("#jqxBtn").on('click', function() {
                $("#jqxDDL").jqxDropDownList(
                    'insertAt', 'GeeksforGeeks', 3);
            });
        });
    </script>
</body>
  
</html

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxdropdownlist/jquery-dropdownlist-api.htm


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