[html]代码库
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
html, body {
width:100%;
margin:0px auto;
padding:0px auto;
}
.div1 {
height:2000px;
}
.div2 {
width:200px;
height:200px;
background-color:#3399FF;
margin-top:100px;
}
.div2_1{
position:fixed;
width:200px;
height:200px;
z-index:999;
background-color:#3399FF;
top:0px;
_position:absolute;
_bottom:auto;
_top:expression(eval(document.documentElement.scrollTop));
}
*html{
background-image:url(about:blank);
background-attachment:fixed;
}
</style>
<script type="text/javascript">
window.onscroll=function(){
var t=document.documentElement.scrollTop||document.body.scrollTop;
var div2=document.getElementById("div2");
if(t>= 100){
div2.className = "div2_1";
}else{
div2.className = "div2";
}
}
</script>
</head>
<body>
<div class="div1">
<div id="div2" class="div2"></div>
</div>
</body>
</html>
<script type="text/javascript" src="/skin/js/fa5ea90bd23348cda66501dc07e822fa.js"></script>
<script type="text/javascript" src="/skin/js/bdmap.js"></script>
会python真的可以为所欲为0(回)
219天前
这里还有人吗1(回)
404天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
628天前
鸽子
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713天前