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 valueMember property is used to set or return the valueMember of the Items. This property specifies the name of an object property to set as a ‘value’ of the list items. It accepts String type value and its default value is “”.
Syntax:
Set the valueMember property.
$('selector').jqxDropDownList({ valueMember: String });
Return the valueMember property.
var valueMember = $('selector').jqxDropDownList('valueMember');
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 valueMember property in jQWidgets.
<!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 valueMember Property
</ h3 >
< div id = 'jqxDDL' ></ div >
</ center >
< script type = "text/javascript" >
$(document).ready(function() {
var data = [{
index: 0,
subject: "Computer Science"
}, {
index: 0,
subject: "C Programming"
}, {
index: 0,
subject: "C++ Programming"
}, {
index: 0,
subject: "Java Programming"
}, {
index: 0,
subject: "Python Programming"
}, {
index: 0,
subject: "HTML"
}, {
index: 0,
subject: "CSS"
}, {
index: 0,
subject: "JavaScript"
}, {
index: 0,
subject: "jQuery"
}, {
index: 0,
subject: "PHP"
}, {
index: 0,
subject: "Bootstrap"
}];
$("#jqxDDL").jqxDropDownList({
source: data,
theme: 'energyblue',
displayMember: 'subject',
valueMember: 'index'
});
$("#jqxDDL").on('change', function (event) {
alert("label: " + event.args.item.label
+ ", value: " + event.args.item.index);
});
});
</ script >
</ body >
</html |
Output: