JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="middle">
        <div class="inner">
            Click here!!!
        </div>
    </div>
</div>

CSS

.inner {
    height: 200px;
    background: #446;
    text-align: center;
    color: #fff;
    line-height: 200px;
    font-size: 80px;
}

JavaScript

$('div').click(function(e) {
    e.originalEvent.attribute =  (e.originalEvent.attribute || "") + " " + $(this).prop("className");
    alert(e.originalEvent.attribute);
});