二级菜单

来源：互联网发布：知乎手机网页编辑：程序博客网时间：2024/04/27 05:49

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
padding: 0;
margin: 0;
}
ul{
width: 200px;
height: 400px;
float: left;
border: solid 1px black;
}
ul li{
list-style: none;
width: 100%;
height: 39px;
border-bottom: solid 1px black;
line-height: 39px;text-align: center;
}
#box{
width: 500px;
height: 402px;
float: left;
overflow: hidden;
}
#box div{
width: 100%;
height: 402px;
background: lavender;
font-size: 100px;
text-align: center;
line-height: 402px;
color: white;
display: none;
}
</style>
</head>
<body>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>7</li>
<li>8</li>
<li>9</li>
<li>10</li>
</ul>
<div id="box">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
<div>10</div>
</div>
</body>
<script type="text/javascript">
var aLi = document.getElementsByTagName("li");
var box = document.getElementById("box");
var aDiv = box.getElementsByTagName('div');
for(var i = 0; i < aLi.length; i ++){
aLi[i].index = i;
aLi[i].onmouseover = function(){
for(var i = 0; i < aLi.length; i ++){
aDiv[i].style.display = 'none';
}
aDiv[this.index].style.display = 'block';
}
}
</script>
</html>

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