JSFiddle - React, Tailwind, and code Playground

by Tri Nguyen

HTML

<div class="start">123</div>
<div class="start">123</div>
<div class="start">123</div>
<div class="start">123</div>

CSS

.onClick {
    color: red;
}

JavaScript

$(".start").click(function () {
    $(this).toggleClass("onClick");
})