JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.11.3.js"></script>
<div class="container">
  <div class="menu_item">
    Item 1
  </div>
  <div class="menu_item current">
    Item 2
  </div>
  <div class="menu_item">
    Item 3
  </div>
</div>

CSS

.menu_item {
  display: none;
}
.current {
  display: block;
}

JavaScript

jQuery(document).ready(function($) {
	$('.current').click(function() {
  	$('.menu_item').fadeIn();
  });
  $('.menu_item').click(function() {
  	alert('test');
  });
});