JSFiddle - React, Tailwind, and code Playground

HTML

<div id="fluffy"></div>
<div id="pepper"></div>

CSS

#fluffy {
            height:200px;
            width:200px;
            background-color:yellow;
            display:block;
}
#pepper {
            height:200px;
            width:200px;
            background-color:green;
            display:block;
}

JavaScript

$("#pepper").click(function () { $("#fluffy").toggle(); });