abstract:<!DOCTYPE html><html><head> <title></title> <script type="text/javascript" src="jquery.min.js"></script> <style type="text/css&quo
<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript" src="jquery.min.js"></script>
<style type="text/css">
*{margin: 0px;padding: 0px;}
.menu{width: 505px;height: 35px;background:#000;color: red;border:1px solid #ccc;border-radius: 5px;margin:0 auto;margin-top:20px;}
ul{list-style: none;}
ul li{width: 100px;height: 35px;line-height: 35px;text-align: center;float: left;border-right: 1px solid #ccc;cursor: pointer;}
.twobox li{width: 100px;height: 30px;line-height: 30px;background: #2d2d2d;color: #a9a9a9;font-size: 14px;position: relative;border:0px;}
.twobox li:hover{background: #000;color: #fff;}
.three{position: absolute;top: 0px;left: 100px;}
.three li{width: 99px;height: 30px;line-height: 30px;border:0;}
</style>
</head>
<body>
<!-- cursor:鼠标经过定义光标
border-radius:为元素添加圆角边框 -->
<div class="menu">
<ul class="one">
<li>首页</li>
<li>关于我们</li>
<li>产品中心
<ul class="twobox">
<li>产品1</li>
<li class="two">产品2
<ul class="three">
<li>产品2.1</li>
<li>产品2.2</li>
<li>产品2.3</li>
<li>产品2.4</li>
</ul>
</li>
<li class="two">产品3
<ul class="three">
<li>产品3.1</li>
<li>产品3.2</li>
<li>产品3.3</li>
<li>产品3.4</li>
</ul>
</li>
<li>产品4</li>
</ul>
</li>
<li>新闻动态
<ul class='twobox'>
<li>新闻中心</li>
<li class="two">新闻1
<ul class="three">
<li>新闻1.1</li>
<li>新闻1.2</li>
<li>新闻1.3</li>
</ul>
</li>
</ul>
</li>
<li>加入我们</li>
</ul>
</div>
<script type="text/javascript">
$(document).ready(function(){
$('.twobox').hide()
$('.three').hide()
$('.one>li').mouseover(function(){
$(this).find('.twobox').slideDown(500)
})
$('.one>li').mouseleave(function(){
$(this).find('.twobox').slideUp(500)
})
$('.two').mouseover(function(){
$(this).find('.three').slideDown(500)
})
$('.two').mouseleave(function(){
$(this).find('.three').slideUp(500)
})
})
</script>
</body>
</html>
有些粗心大意啊,写着写着就忘记结束标志或者符号上面的!然后就找啊找!!!
Correcting teacher:灭绝师太Correction time:2018-11-20 09:01:08
Teacher's summary:那下次写的时候就要小心,犯错误往往也是好事情,继续加油