abstract：<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>jquery三级下拉菜单</title> <script type="text/javascript" src=&q
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>jquery三级下拉菜单</title>
<script type="text/javascript" src="jquery-3.3.1.min.js"></script>
<style type="text/css">
*{padding:0px;margin:0px;}
body{background:#BFC2C7;font-size:20px;}
.all{width:400px;height:800px;margin:0px auto;}
a{text-decoration:none;color:#fff;}
ul{list-style:none;}
.top{width:400px;height:40px;background:#3699DC;margin:5px auto;border-radius:9px;line-height:40px;float:left;position:relative;z-index:2;}
.cle{clear:both;}
ul li{width:100px;height:35px;float:left;margin-left:10px;background:#3699DC;text-align:center;}
.two li{position:relative;left:-8px;}
.three{position:relative;left:95px;bottom:38px;}
.con1{width:400px;height:400px;background:yellow;border:1px solid #ccc;border-radius:9px;margin-left:-30px;position:relative;z-index:1;}
</style>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$('.two>li').hide()
$('.three').hide()
$('.con1').hide()
$('.er1').mouseover(function(){
$('.two>li').slideDown()
})
$('.er1').mouseleave(function(){
$('.two>li').slideUp()
})
$('.san').mouseover(function(){
$('.three').fadeIn(900)
})
$('.san').mouseleave(function(){
$('.three').hide()
})
$('a').hover(
function(){
$(this).css('color','#D25302')
},
function(){
$(this).css('color','#fff')
}
)
$('#ind').mouseover(function(){
if($('.con1').hide()){
$('.con1').animate({
left:'30px'
},1500)
$('.con1').show()
$('.con1').text('网站首页')
}else{
$('.con1').text('网站首页')
}
})
$('#conus').mouseover(function(){
if($('.con1').hide()){
$('.con1').animate({
left:'30px'
},1500)
$('.con1').show()
$('.con1').text('联系我们')
}else{
$('.con1').text('联系我们')
}
})
})
</script>
<div class="all">
<div class="top">
<ul class="one">
<li id="ind"><a href="#">网站首页</a></li>
<li class="er1"><a href="#">公司资讯</a>
<ul class="two">
<li><a href="#">本地资讯</a></li>
<li><a href="#">外地资讯</a></li>
<li class="san"><a href="#">国外资讯</a>
<ul class="three">
<li><a href="#">亚洲信息</a></li>
<li><a href="#">欧洲信息</a></li>
<li><a href="#">美洲信息</a></li>
</ul>
</li>
</ul>
</li>
<li id="conus"><a href="#">联系我们</a></li>
</ul>
</div>
<div class="cle"></div>
<div class="con1">网站首页</div>
</div>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-01-18 14:53:57
Teacher's summary：作业完成的不错，代码也很整洁。加点注释就更好了，继续加油。