Filter by function
<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("div").css("background", "blue") .filter(function (index) { return index == 1 ; }) .css("border", "1px solid red"); }); </script> <style> div { border:2px white solid;} </style> </head> <body> <body> <div id="first">asdf</div> <div id="second">asdf</div> <div id="third">asdf</div> <div id="fourth">asdf</div> <div id="fifth">asdf</div> <div id="sixth">asdf</div> </body> </html>