jQuery UI Accordion create Event

Last Updated : 30 May, 2022

jQuery UI consists of GUI widgets, visual effects, and themes implemented using HTML, CSS, and jQuery. jQuery UI is great for building UI interfaces for the webpages. The jQuery UI Accordion Widget can be used for the conversion of pairs of header & content panels into an accordion.

The jQuery UI Accordion create event is used to trigger when the accordion is created. If an accordion widget is collapsed, then the ui.header and ui.panel will be empty objects. The Accordion create event accepts 2 values that are listed below:

event: It represents the event for the slider widget.
ui: It is of an object type, and contains the following values:
- header: It represents the active header.
- panel: It represents the active panel.

Syntax:

Initialize the accordion with the create callback:

$( ".selector" ).accordion({
     create: function( event, ui ) {}
});

Bind an event listener to the accordioncreate event:

$( ".selector" ).on( 
    "accordioncreate", 
    function( event, ui ) {} 
);

CDN Link: First, add jQuery UI scripts needed for your project.

<link href="https://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css"
rel="stylesheet">
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
<script src="https://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>

Example: This example describes the implementation of the jQuery UI Accordion create event.

HTML

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
    <title>
        jQuery UI Accordion create Event
    </title>
    <link href=
"https://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css"
          rel="stylesheet">
    <script src=
"https://code.jquery.com/jquery-1.10.2.js">
    </script>
    <script src=
"https://code.jquery.com/ui/1.10.4/jquery-ui.js">
    </script>
    <style>
        h1, h3 {
            text-align: center;
        }

        #GFG {
            width: 600px;
            margin: 0 auto;
        }
    </style>
</head>

<body>
    <h1 style="color: green;">
        GeeksforGeeks
    </h1>
    <h3>jQuery UI Accordion create Event</h3>
    <div id="GFG">
        <h3>HTML</h3>
        <div>
            HTML stands for HyperText Markup Language. 
            It is used to design web pages using the 
            markup language. HTML is the combination 
            of Hypertext and Markup language. Hypertext 
            defines the link between the web pages and
            markup language defines the text document 
            within the tag that define the structure 
            of web pages.
        </div>
        <h3>CSS</h3>
        <div>
            CSS (Cascading Style Sheets) is a stylesheet 
            language used to design a webpage to make it 
            attractive. The reason for using this is to 
            simplify the process of making web pages 
            presentable. It allows you to apply styles 
            on web pages. More importantly, it enables 
            you to do this independent of the HTML that 
            makes up each web page.
        </div>
        <h3>JavaScript</h3>
        <div>
            JavaScript is the world most popular 
            lightweight, interpreted compiled programming 
            language. It is also known as scripting 
            language for web pages. It is well-known for 
            the development of web pages, many non-browser 
            environments also use it. JavaScript can be 
            used for Client-side developments as well as 
            Server-side developments.
        </div>
        <h3>Bootstrap</h3>
        <div>
            Bootstrap is a free and open-source tool 
            collection for creating responsive websites 
            and web applications. It is the most popular 
            HTML, CSS, and JavaScript framework for 
            developing responsive, mobile-first websites. 
            Nowadays, the websites are perfect for all 
            the browsers (IE, Firefox, and Chrome) and 
            for all sizes of screens (Desktop, Tablets, 
            Phablets, and Phones).
        </div>
    </div>

    <script>
        $(document).ready(function () {
            $("#GFG").on("accordioncreate", function() {
                alert("Accordion Create Event Triggered!");
            });

            $("#GFG").accordion();
        });
    </script>
</body>
</html>

Output:

Reference: https://api.jqueryui.com/accordion/#event-create

jQuery UI Button create Event

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jQuery UI Accordion create Event

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