JSFiddle - React, Tailwind, and code Playground

by dirtyd77

HTML

<span class="clickable">Span 1</span>
<span class="clickable">Span 2</span>
<span class="clickable">Span 3</span>

CSS

.last-clicked{ font-weight:bold; }

JavaScript

$('.clickable').click(function(event) { 
    $('.clickable').removeClass('last-clicked').end().find(event.target).addClass('last-clicked');
});