Find the unique siblings of all yellow li elements in the 3 lists (including other yellow li elements if appropriate).

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <script src="http://code.jquery.com/jquery-latest.js"></script> <script> $(document).ready(function(){ var len = $(".hilite").siblings() .css("color", "red") .length; $("b").text(len); }); </script> <style> ul { float:left; margin:5px; font-size:16px; font-weight:bold; } p { color:blue; margin:10px 20px; font-size:16px; padding:5px; font-weight:bolder; } .hilite { background:yellow; } </style> </head> <body> <ul> <li>One</li> <li>Two</li> <li class="hilite">Three</li> <li>Four</li> </ul> <ul> <li>Five</li> <li>Six</li> <li>Seven</li> </ul> <ul> <li>Eight</li> <li class="hilite">Nine</li> <li>Ten</li> <li class="hilite">Eleven</li> </ul> <p>Unique siblings: <b></b></p> </body> </html>
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