JS动画抖动
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<script type="text/javascript" src="http://luxury.bjhoutai.com/js/jquery-1.8.2.min.js"></script>
<body style="height:2000px;">
<div id="mrt0" style="width:20px; height:20px; background:#f00; position:fixed; left:50px; top:300px;"></div>
<script>
function action(){
var a = parseInt(Math.random()*(55-45+1)+45);
var b = parseInt(Math.random()*(302-298+1)+298);
$("div").animate({left:a+"px"},200);
$("div").animate({top:b+"px"},200);
/*$("div").fadeOut(50).fadeIn(50); */
}
setInterval("action()",400);
</script>
</body>
</html>
