JSFiddle - React, Tailwind, and code Playground

by osserpse

HTML

<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
<ul>
  <li class="filter">Kategori A</li>
  <li class="filter">Kategori B</li>
  <li class="filter">Kategori C</li>
</ul>
foo

CSS

.active {
  font-weight: bold;
}

JavaScript

$('.filter').click(function(){
    $(this).toggleClass('active');
});