Stack Overflow

http://stackoverflow.com/questions/7394610/jquery-toggle-ids-instead-of-classes/7394676#7394676

by derleek

HTML

<ul>
    <li>List El</li>
        <li>List El</li>
        <li>List El</li>
        <li>List El</li>
        <li>List El</li>
        <li>List El</li>
</ul>

CSS

.active {
    background-color: red;
}

JavaScript

$(document).ready(function(){
    $("li").bind('click', function(){
       if($("li.active").length) $("li.active").removeClass('active');
       $(this).addClass('active');
    }); 
});