Hide list items (only show 3)
HTML
<ul id="mylist">
<li>List 1</li>
<li>List 2</li>
<li>List 3</li>
<li>List 4</li>
<li>List 5</li>
</ul>
JavaScript
// hide all li and then show the first two
$('ul li').hide().filter(':lt(3)').show();