JSFiddle - React, Tailwind, and code Playground

HTML

<body>
  
    <script src="js/jquery.min.js"></script> <!-- jquery libraries -->
	
	<nav>
    <ul>
        <li id="all" class="tab-current"><a><span>All Departments</span></a></li>
    </ul>
</nav>

<script>
var $all = $("#all");
$all.on("click", function(){
    alert("click");
});
</script>

  </body>