abstract： <!DOCTYPE html> <html> <head> <title>下滑线跟随导航</title> <meta charset="utf-8"/> <script typ
<!DOCTYPE html>
<html>
<head>
<title>下滑线跟随导航</title>
<meta charset="utf-8"/>
<script type="text/javascript" src="jquery.js"></script>
<style type="text/css">
*{padding:0;margin:0;}
ul {list-style: none;z-index:20;position:relative;font-size: 15px;}
li {float:left;cursor:pointer;width:100px;height: 30px;text-align:center;line-height:30px;color: #fff;font-weight: bold;}
.menu{width:500px;position:fixed; bottom:0px ;left:0px;right:0px; margin:0 auto;height:32px;box-shadow: 0 2px 20px #000;background: #b6cce2;border-radius:3px }
</style>
<script type="text/javascript">
$(function(){
$('li').hover(
function(){
$x=parseInt($(this).attr('name'))*100
$('.block').stop().animate({left:$x+'px'},300)
},
function(){
$('.block').stop().animate({left:'0px'},300)
}
)
})
</script>
</head>
<body>
<div class="menu">
<ul>
<li name="0">首页</li>
<li name="1">公司新闻</li>
<li name="2">产品介绍</li>
<li name="3">关于我们</li>
<li name="4">联系我们</li>
</ul>
<div class="block" style="z-index:10;width:100px;height:2px;background:#fff;position:absolute;top:30px;"></div>
</div>
</body>
</html>
Correcting teacher：西门大官人Correction time：2019-04-09 09:53:46
Teacher's summary：建议给js代码加点注释。写上自己的实现思路，印象会更深一些
