JSFiddle - React, Tailwind, and code Playground

HTML

<div id="element" class="removeThisClass">HELLO THERE</div>
<input id="button" type="button" value="Click Me" />

CSS

.addThisClass { width: 200px;height: 200px;border: solid 5px green;}
.removeThisClass { width: 200px;height: 200px;border: solid 5px black;}

JavaScript

$("#button").click(function () {
    $("#element").switchClass("removeThisClass", "addThisClass", 1000);
});