JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="code.jquery.com/jquery-1.9.1.js"></script>
<script src="code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<input type="text" readonly='true' id="txtStartDate" class="txtbox" value='1-2-2014' />
<input type="button" id="btnConvert" value="Convert" />
<input type="text" id="txtDateWord" class="txtbox" />
JavaScript
$("#btnConvert").click(function(){
alert('Call');
});