<title>jQuery Demo example</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-2.1.4.min.js">
<script type="text/javascript">
$(document).ready(function(){ $( "li" ).each(function( index, elem) { $("li").eq(2).css("background","red"); <li>First Item (Index 0)</li>
<li>Second Item (Index 1)</li>
<li>Third Item (Index 2)</li>
<li>Fourth Item (Index 3)</li>