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Copy path多级菜单.html
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多级菜单.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>多级菜单</title>
<style>
* {
margin: 0;
padding: 0;
}
ul {
list-style: none;
}
a {
text-decoration: none;
}
#menu {
width: 320px;
height: 120px;
}
#menu a {
width: 100px;
height: 30px;
display: block;
text-align: center;
line-height: 30px;
color: blue;
}
#menu .main-menu {
float: left;
background: gray;
margin-right: 5px;
}
#menu .sub-menu a {
background: #cccccc;
text-align: left;
text-indent: 5px;
border-bottom: 1px dashed #000;
}
#menu .sub-menu {
display: none;
}
/*#menu .main-menu:hover .sub-menu{
display:block;
} 纯css方式实现多级菜单*/
</style>
</head>
<body>
<ul id="menu">
<li class="main-menu">
<a href="">link1</a>
<ul class="sub-menu">
<li><a href="">sublink1</a></li>
<li><a href="">sublink2</a></li>
<li><a href="">sublink3</a></li>
</ul>
</li>
<li class="main-menu">
<a href="">link2</a>
<ul class="sub-menu">
<li><a href="">sublink1</a></li>
<li><a href="">sublink2</a></li>
<li><a href="">sublink3</a></li>
</ul>
</li>
<li class="main-menu">
<a href="">link3</a>
<ul class="sub-menu">
<li><a href="">sublink1</a></li>
<li><a href="">sublink2</a></li>
<li><a href="">sublink3</a></li>
</ul>
</li>
</ul>
<script>
var oMenu = document.getElementById("menu");
var aLi = oMenu.getElementsByTagName("li");
for (var i = 0; i <= aLi.length; i++) {
if (aLi[i].className == "main-menu") {
aLi[i].onmouseover = function () {
var oSubmenu = this.getElementsByTagName("ul")[0];
oSubmenu.style.display = "block";
};
aLi[i].onmouseout = function () {
var oSubmenu = this.getElementsByTagName("ul")[0];
oSubmenu.style.display = "none";
};
}
}
</script>
</body>
</html>