jQWidgets jqxNavigationBar getHeaderContentAt() Method

Last Updated : 29 Oct, 2021

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 getHeaderContentAt() method is used for getting the header content of an item of the specified jqxNavigationBar with the index of the item.

Syntax:

 $('Selector').jqxNavigationBar(
    'getHeaderContentAt', Item_Index);

Parameters: This method accepts a parameter that is illustrated below:

Item_Index: This is the index of the item whose header content is going to be returned.

Return values: This method returns a string value of the header content.

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 getHeaderContentAt() method. In the below example, the header content of the second item is going to be returned.

HTML

<!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 getHeaderContentAt() 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_getHeaderContentAt"
            value="Get header content of second item"/> 
        <div id="log"></div> 
        <script type="text/javascript"> 
            $(document).ready(function () { 
                $("#jqx_Navigation_Bar"). 
                    jqxNavigationBar({ 
                        width: 290, 
                        height: 150, 
                    }); 
                $("#jqxbutton_for_getHeaderContentAt"). 
                   jqxButton({ 
                    width: 250, 
                }); 
                $('#jqxbutton_for_getHeaderContentAt'). 
                on( 
                    'click', function () { 
                        var Header_Content =  
                            $('#jqx_Navigation_Bar'). 
                            jqxNavigationBar( 
                                'getHeaderContentAt', 1); 
                        $("#log").html(JSON.stringify( 
                            Header_Content)) 
                    }); 
            }); 
        </script> 
    </center> 
</body> 
  
</html>