jQWidgets jqxDropDownList clear() Method

Last Updated : 09 Sep, 2021

Introduction: 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 clear() method is used to clear all items of jqxDropDownList. It does not accept any parameter and does not return any value.

Syntax:

$("Selector").jqxDropDownList('clear');

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 clear() 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 clear() Method
        </h3>

        <div id='jqxDDL'></div>

        <input id="jqxBtn" type="button" value="Clear Items"
            style="padding: 5px 15px; margin-top: 100px;">
    </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',
                selectedIndex: 3
            });

            $("#jqxBtn").on('click', function() {
                $("#jqxDDL").jqxDropDownList('clear');
            }); 
        });
    </script>
</body>

</html