<!DOCTYPE html>
<html>
<head>
<style>div { margin:3px; width:40px; height:40px;
position:absolute; left:0px; top:60px;
background:green; display:none; }
div.newcolor { background:blue; }
p { color:red; } </style>
<script type="text/javascript" src="/jquery/jquery.js"></script>
</head>
<body>
<p>队列长度是:<span></span></p>
<div></div>
<script>
var div = $("div");
function runIt() {
div.show("slow");
div.animate({left:'+=200'},2000);
div.slideToggle(1000);
div.slideToggle("fast");
div.animate({left:'-=200'},1500);
div.hide("slow");
div.show(1200);
div.slideUp("normal", runIt);
}
function showIt() {
var n = div.queue("fx");
$("span").text( n.length );
setTimeout(showIt, 100);
}
runIt();
showIt();
</script>
</body>
</html>