JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.css" />
<script src="http://code.jquery.com/jquery-1.6.4.min.js"></script>
<script src="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.js"></script>

<div data-role="page" id="first">
    <div data-role="content">
        <div id="an-id">FIRST PAGE</div>
    </div>
</div>

<div data-role="page" id="second">
    <div data-role="content">
        <div id="an-id">SECOND PAGE</div>
    </div>
</div>

JavaScript

alert($('#second').find('#an-id').text());