效果
Tab选项卡
代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Tab选项卡</title>
<link rel="stylesheet" href="css/index.css">
</head>
<body>
<div id="tab">
<!--header-->
<div id="tab-header">
<ul>
<li class="selected">one</li>
<li>two</li>
<li>three</li>
<li>four</li>
<li>five</li>
</ul>
</div>
<!--content-->
<div id="tab-content">
<div class="dom" style="display: block">
one
</div>
<div class="dom">
two
</div>
<div class="dom">
three
</div>
<div class="dom">
four
</div>
<div class="dom">
five
</div>
</div>
</div>
<script src="./js/tab.js"></script>
<script>
var tabs = new Tabs();
tabs.init();
</script>
</body>
</html>
*{
padding: 0;
margin: 0;
}
ul{
list-style: none;
}
#tab{
width: 498px;
height: 130px;
border: 1px solid #9d9d9d;
}
/*tab-header*/
#tab-header{
height: 33px;
background-color: #e8e8e8;
position: relative;
}
#tab-header ul{
width: 501px;
position: relative;
left: -1px;
}
#tab-header ul li{
float: left;
width: 98px;
height: 33px;
text-align: center;
line-height: 33px;
padding: 0 1px;
border-bottom: 1px solid #9d9d9d;
cursor: pointer;
}
#tab-header ul li.selected{
background-color: white;
border-bottom: 0;
border-left: 1px solid #9d9d9d;
border-right: 1px solid #9d9d9d;
padding: 0;
}
#tab-header ul li:hover{
color: black;
font-weight: bolder;
}
/*tab-content*/
#tab-content{
padding-top: 15px;
}
#tab-content .dom{
display: none;
}
//构造函数
function Tabs() {
//获取tab-header下所有li
this.tab_header_lis = document.getElementById('tab-header').getElementsByTagName('li');
//获取tab-content下所有class为dom的div
this.tab_content_doms = document.getElementById('tab-content').getElementsByClassName('dom');
}
//原型方法
Tabs.prototype = {
init: function () {
var that = this;
for(var i=0; i<this.tab_header_lis.length; i++){
//1. 给所有li设置索引
this.tab_header_lis[i].index = i;
//2. 给所欲的li绑定鼠标事件
this.tab_header_lis[i].onmouseover = function () {
for(var j=0; j<that.tab_header_lis.length; j++){
that.tab_header_lis[j].className = '';
that.tab_content_doms[j].style.display = 'none';
}
this.className = 'selected';
that.tab_content_doms[this.index].style.display = 'block';
}
}
}
}
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