abstract：<!DOCTYPE html><html> <head> <title>下滑线跟随导航</title> <meta charset="utf-8"/> <script type="text/javascript" src="j
<!DOCTYPE html>
<html>
<head>
<title>下滑线跟随导航</title>
<meta charset="utf-8"/>
<script type="text/javascript" src="jquery-3.3.1.min.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:relative;margin:20px auto;height:32px;box-shadow: 0 2px 20px #000;background: #AF3434;border-radius:3px }
</style>
<script type="text/javascript">
$(function(){
$('li').hover(
function(){
$x=parseInt($(this).attr('name'))*100
$('.block').stop().animate({left:$x+'px'},100)
},
function(){
$('.block').stop().animate({left:'0px'},500)
}
)
})
</script>
</head>
<body>
<div class="menu">
<ul>
<li name="0">首页</li>
<li name="1">php学习</li>
<li name="2">李昊锦老大</li>
<li name="3">李昊锦大哥</li>
<li name="4">李昊锦大人</li>
</ul>
<div class="block" style="z-index:10;width:100px;height:2px;background:#fff;position:absolute;top:30px"></div>
</div>
</div>
</body>
</html>
Correcting teacher：灭绝师太Correction time：2018-12-03 09:36:56
Teacher's summary：js控制，只要条理清楚就很简单，完成的不错！