<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="utf-8" />
<meta name="robots" content="all" />
<meta name="author" content="Tencent-ISRD" />
<meta name="Copyright" content="Tencent" />
<script type="text/javascript" src="jquery-1.8.1.js"></script>
<style type="text/css" media="screen">
ul li{
list-style-type:none;
padding-left:15px;
background: url(file:///C|/Users/huinawang/Desktop/1.png) no-repeat 4px 12px;
line-height:30px;
}
</style>
<title>column-rule-style</title>
</head>
<body>
<div class="hideNav-fixed-top">
<ul>
<li><a href="#">很多</a></li>
<li><a href="#">很多</a></li>
<li><a href="#">很多</a></li>
<li><a href="#">很多</a></li>
<li><a href="#">很多</a></li>
</ul>
</div>
<div style="height:1000px"></div>
</body>
<script type="text/javascript">
$(document).ready(function(){
$(window).scroll(function(){
var scrollTop=$(window).scrollTop();
console.log(scrollTop);
if(scrollTop>100){
$(".hideNav-fixed-top").css("display","block");
}else{
$(".hideNav-fixed-top").css("display","none");
}
})
})
</script>
</html>
li前的小圖標居中對齊 獲取滾動條的高度
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