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jQuery Mobile Collapsibleset initSelector Option

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  • Last Updated : 17 May, 2022

jQuery Mobile is a web-based technology used to make responsive content that can be accessed on all smartphones, tablets, and desktops.

In this article, we will be using the jQuery Mobile Collapsibleset initSelector option. The value of this option is a selector string that picks elements on the basis of the value of this option and explicates the stated Collapsibleset widgets on every element of the following list.


Initializing the Collapsibleset with the initSelector option.

$( ".selector" ).collapsibleset({
    initSelector: "div.custom"

Setting the initSelector option.

$( ".selector" ).collapsibleset( "option", "initSelector", "div.custom" );

Getting the initSelector option.

var initSelector = $( ".selector" ).collapsibleset( "option", "initSelector" );

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

<link rel=”stylesheet” href=”//”>
<script src=”//”></script>
<script src=”//”></script>

Example: This example describes the jQuery Mobile Collapsibleset initSelector Option.


<!doctype html>
<html lang="en">
    <meta charset="utf-8">
    <meta name="viewport" 
        content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href=
    <script src=
    <script src=
        $(document).ready(function () {
                initSelector: ":jqmData(role='collapsibleset')"
                "initSelector", ":jqmData(role='collapsibleset')");
            $("#Button").on('click', function () {
                var a = $("#GFG").collapsibleset(
                    "option", "initSelector");
    <div data-role="page" id="page1">
        <div data-role="header">
            <h3>jQuery Mobile Collapsibleset initSelector Option</h3>
        <div role="main" class="ui-content">
            <div data-role="collapsibleset" id="GFG">
                <div data-role="collapsible" data-collapsed="true">
                        HTML stands for HyperText Markup Language.
                        It is used to design web pages using a
                        markup language. HTML is the combination
                        of Hypertext and Markup language. Hypertext
                        defines the link between the web pages.
                <div data-role="collapsible">
                        CSS (Cascading Style Sheets) is a stylesheet
                        language used to design the webpage to make
                        it attractive. The reason of using CSS is to
                        simplify the process of making web pages
                        presentable. CSS allows you to apply styles
                        to web pages. More importantly, CSS enables
                        you to do this independent of the HTML that
                        makes up each web page.
                <div data-role="collapsible">
                        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.
            <input type="button" id="Button" 
                value="Value of the initSelector option">
            <div id="log"></div>




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