Test Case Boilerplate
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HTML
<script src="http://code.jquery.com/ui/jquery-ui-git.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/jquery-ui-git.css">
<div id="resizable" class="widget">Drag me</div>
CSS
#resizable{
position: absolute;
right:0; /*!bug is here*/
top:100px;
background:gray;
}
JavaScript
$(function(){
$('#resizable').draggable()
});