JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://dl.dropbox.com/u/40036711/jquery.hovercard.min.js"></script>
<p>jQuery by <label id="demo-basic">John Resig</label> is a cross-browser JS library designed to simplify the client-side scripting of HTML. It was released in January of 2006 at BarCamp NYC. Used by over 46% of the 10,000 most visited websites, it's the most popular JavaScript library in use today.</p>


<div id="hiddenDiv">
    <p>John Resig is an application developer at Khan Academy. He was a JavaScript tool developer for the Mozilla Corporation. He is also the creator and lead developer of the jQuery JavaScript library.<p>
        <p><strong>By the way this was hidden div.</strong></p>
</div>

CSS

body
{
    font-family:Sans-serif;
    font-size:12px;
    padding:15px;
    line-height:1.5em;
}
#hiddenDiv
{
    display:none;
}
strong
{
    font-weight:bold;
}

JavaScript

$('#demo-basic').hovercard({detailsHTML:$('#hiddenDiv').html()});