SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div class="class">Hover Me!</div>
<div class="description">Description Content</div>

CSS

.description { border: solid 1px #ddd; display: none; }

JavaScript

$(".class").hover(function() {
  $(this).next('.description').fadeIn();
}, function() {
  $(this).next('.description').fadeOut();
});