SO jQuery Fiddle

Test Fiddle mainly for SO Questions jQuery 1.4.3, UI 1.8.5

by Timoleon Pagounas

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/ui-lightness/jquery-ui.css">
<div id="selected" class="sela">
 <a href"" class="1">
 <img>
 </a>
 <a href"" class="1">
 <img>
 </a> <a href"" class="1">
 <img>
 </a> <a href"" class="1">
 <img>
 </a> <a href"" class="1">
 <img>
 </a> <a href"" class="1">
 <img>
 </a> <a href"" class="1">
 <img>
 </a>
</div>

JavaScript

var i = $("#selected").children().length;
alert(count);

var count2 = $(".sela").children().length;
alert(count2);