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 auto-complete functionality and a list of selectable items displayed in a drop-down.
The checkItem() method is used to check the item of jqxComboBox widget using item name. It accepts single parameter Item of Object/String type and it does not accept any parameter.
Syntax:
$('selector').jqxComboBox('checkItem', '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 checkItem() method in jQWidgets:
Example:
<!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 checkItem() Method
</h3>
<div id='jqxCB'></div>
<br>
<input type="button" id='jqxBtn'
style="padding: 5px 20px;"
value="Check the 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',
checkboxes: true
});
$('#jqxBtn').on('click', function () {
$("#jqxCB").jqxComboBox('checkItem', "HTML");
});
});
</script>
</body>
</html>
Output: