SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
<div class="nights">
        <h5 class="biguns">
            <div class="num">4</div>
            Nights
        </h5>
</div>

JavaScript

alert($("div.nights h5 div.num").text());
alert($("div.nights > h5 > div.num").text());
alert($("div.num").text());