JSFiddle - React, Tailwind, and code Playground

HTML

<div id="arrow"><a href="#">▾</a></div>

<div id="ad">ad</div>

<div id="description" style="display:none">Hidden</div>
<div id="nav" style="display:none">Also Hidden</div>

JavaScript

$("#arrow").click(function () {
   $("#ad, #description, #nav").toggle();
});