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20161111练习选择框.html
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20161111练习选择框.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
ul,ol{
list-style: none;
}
#container{
height: 400px;
width:400px;
position: relative;
left:200px;
top: 150px;
}
#content{
height: 350px;
width: 400px;
background-color: #999999;
}
#tab{
height: 50px;
width:400px;
}
#tab li{
height: 50px;
width: 100px;
background-color: cadetblue;
color: #ffffff;
line-height: 50px;
text-align: center;
border-bottom: 1px dashed #ffffff;
float: left;
margin-right: 5px;
}
#tab .selected{
background-color: cornflowerblue;
}
#content div{
display: none;
}
#content .selected{
display: block;
}
</style>
</head>
<body>
<div id="container">
<div id="tab">
<ul>
<li class="selected">html</li>
<li>css</li>
<li>js</li>
</ul>
</div>
<div id="content">
<div class="selected">111</div>
<div>222</div>
<div>333</div>
</div>
</div>
</body>
<script>
var data=[111,222,333];//
var oTab = document.getElementById('tab');
var aLi = oTab.getElementsByTagName('li');
var oContent = document.getElementById('content');
var aDiv = oContent.getElementsByTagName('div');
for(var i = 0; i<aLi.length;i++){
aLi[i].onclick = function(){
for(var i = 0;i<aLi.length;i++){
aLi[i].index = i;
aLi[i].className = '';
aDiv[i].className = '';
}
this.className = 'selected';
aDiv[this.index].className = 'selected';
};
}
</script>
</html>