JSFiddle - React, Tailwind, and code Playground

HTML

<div class="a">
                        <div class="b">head</div>
                        <div class="c">
                            <div class="d">content</div>
                            <div class="d">content</div>
                            <div class="d">content</div>
                            <div class="d">content</div>
                            <div class="d">content</div>
                        </div>
                    </div>
                    <div class="a">
                        <div class="b">Header 2</div>
                        <div class="c">
                            <div class="d">content</div>
                            <div class="d">content</div>
                            <div class="d">content</div>
                            <div class="d">content</div>
                        </div>
                    </div>

JavaScript

$(".b").click(function(){


 $(this).next(".c").slideToggle("slow")
     
     })