JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">
<input id="but2" type="button" value="2"/>

JavaScript

$(function() {
    var fn=function(){
      alert('success!');
    };

    $('#but2').click(fn);
});