JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://jquery.com/demo/thickbox/thickbox-code/thickbox-compressed.js"></script>
<link rel="stylesheet" href="http://jquery.com/demo/thickbox/thickbox-code/thickbox.css">
<a href="images/single.jpg" title="add a caption to title attribute / or leave blank" class="thickbox"><img src="images/single_t.jpg" alt="Single Image"/></a>

JavaScript

var old_tb_remove = window.tb_remove;

var tb_remove = function() {
    old_tb_remove(); // calls the tb_remove() of the Thickbox plugin
    alert('ohai');
};