<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
ul {
list-style: none;
}
.wrap {
width: 330px;
height: 30px;
margin: 100px auto 0;
padding-left: 10px;
background-image: url(imgs/bg.jpg);
}
.wrap li {
background-image: url(imgs/libg.jpg);
}
.wrap>ul>li {
float: left;
margin-right: 10px;
position: relative;
}
.wrap a {
display: block;
height: 30px;
width: 100px;
text-decoration: none;
color: #000;
line-height: 30px;
text-align: center;
}
.wrap li ul {
position: absolute;
top: 30px;
display: none;
}
</style>
<script src="../jquery-1.12.4.js"></script>
<script>
$(function () {
var $li = $(".wrap>ul>li")
//給li注冊(cè)鼠標(biāo)經(jīng)過事件，讓自己的ul顯示出來
$li.mouseenter(function () {
//找到所有的兒子，并且還得是ul
$(this).children("ul").show();
})
$li.mouseleave(function () {
$(this).children("ul").hide();
})
});
</script>
</head>
<body>
<div class="wrap">
<ul>
<li>
<a href="javascript:void(0);">一級(jí)菜單1</a>
<ul class="ul">
<li><a href="javascript:void(0);">二級(jí)菜單11</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單12</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單13</a></li>
</ul>
</li>
<li>
<a href="javascript:void(0);">一級(jí)菜單2</a>
<ul>
<li><a href="javascript:void(0);">二級(jí)菜單21</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單22</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單23</a></li>
</ul>
</li>
<li>
<a href="javascript:void(0);">一級(jí)菜單3</a>
<ul>
<li><a href="javascript:void(0);">二級(jí)菜單31</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單32</a></li>
<li><a href="javascript:void(0);">二級(jí)菜單33</a></li>
</ul>
</li>
</ul>
</div>
</body>
</html>
