Show another div if earlier div height<300px
<p>I am working on dynamic page where height of the page is concern.</p>

<p>So, What I want is if height of <code>&lt;div id="a"&gt;</code> <strong>&lt; 300px</strong> , <strong>Then only show</strong> new <code>&lt;div id="b"&gt;</code></p>

<p>How can I achieve this ?</p>

<p>Thanks.</p>

<ul>
<li>Mandar</li>
</ul>
