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 jqxNavigationBar is used for representing a jQuery widget that has header and content sections. On clicking over the header, the content will be expanded or collapsed accordingly.
The update() method is used for updating the header and content of the specific item of the specified jqxNavigationBar.
Syntax:
$('Selector').jqxNavigationBar(
'update', Item_Index, New_Header, New_Content);Parameters: This method accepts three parameters that are illustrated below:
- Item_Index: This is the index of the item that is going to be updated.
- New_Header: This is the specified new header.
- New_Content: This is the specified new content.
Return values: This method does not return any values.
Linked Files: Download jQWidgets from the given 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.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxexpander.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxnavigationbar.js”></script>
Example: The below example illustrates the jQWidgets jqxNavigationBar update() method. In the below example, the header and content of the 0th item are being updated.
<!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.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxcore.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxexpander.js">
</script>
<script type="text/javascript" src="jqwidgets/jqxnavigationbar.js">
</script>
</head>
<body>
<center>
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxNavigationBar update() Method
</h3>
<div id="jqx_Navigation_Bar" style="margin: 25px;" align="left">
<div>First Header</div>
<div>
<h8>Content for the first header</h8>
<ul>
<li>GFG</li>
<li>CSE</li>
</ul>
</div>
<div> Second Header</div>
<div>
<h8>Content for the second header</h8>
<ul>
<li>GeeksforGeeks</li>
<li>CSE</li>
</ul>
</div>
</div>
<input type="button" style="margin: 29px;" id="jqxbutton_for_update"
value="Update the header and content of the 0th item"/>
<script type="text/javascript">
$(document).ready(function () {
$("#jqx_Navigation_Bar").
jqxNavigationBar({
width: 290,
height: 150,
});
$("#jqxbutton_for_update").
jqxButton({
width: 350,
});
$('#jqxbutton_for_update').
on('click', function () {
var Item_Index = 0;
var New_Header = "New Header";
var New_Content = "New Content";
$('#jqx_Navigation_Bar').
jqxNavigationBar(
'update', Item_Index,
New_Header, New_Content);
});
});
</script>
</center>
</body>
</html>
|
Output: