Html NavigationBar
Bind to the expandingItem event by type: jqxNavigationBar. Author: http://jqwidgets.com
by jqwidgets
HTML
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<script src="https://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<div id='jqxnavigationbar'>
<!--Header-->
<div>Header 1</div>
<!--Content-->
<div>Content 1</div>
<!--Header-->
<div>Header 2</div>
<!--Content-->
<div>Content 2</div>
</div>
JavaScript
$("#jqxnavigationbar").jqxNavigationBar({
width: 400,
height: 200,
theme: 'energyblue'
});
$('#jqxnavigationbar').on('expandingItem', function (event) {
var expandingItem = event.args.item;
alert("Expanding item number: " + expandingItem);
});