本文实例讲述了JS实现的简单标签点击切换功能。分享给大家供大家参考，具体如下：先来
本文实例讲述了JS实现的简单标签点击切换功能。分享给大家供大家参考，具体如下：
先来看看运行效果：
具体代码如下：
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>www.jb51.net 脚本之家</title>
<style>
* {
margin: 0;
padding: 0;
}
ul {
list-style-type: none;
}
.box {
width: 400px;
height: 300px;
border: 1px solid #ccc;
margin: 100px auto;
overflow: hidden;
}
.hd {
height: 45px;
}
.hd span {
display: inline-block;
width: 90px;
background-color: pink;
line-height: 45px;
text-align: center;
cursor: pointer;
}
.hd span.current {
background-color: yellowgreen;
}
.bd li {
height: 255px;
background-color: yellowgreen;
display: none;
}
.bd li.current {
display: block;
font-size: 36px;
}
</style>
</head>
<body>
<div class="box" id="box">
<div class="hd">
<span class="current">体育</span>
<span>娱乐</span>
<span>新闻</span>
<span>综合</span>
</div>
<div class="bd">
<ul>
<li class="current">我是体育模块</li>
<li>我是娱乐模块</li>
<li>我是新闻模块</li>
<li>我是综合模块</li>
</ul>
</div>
</div>
<script>
var box = document.getElementById("box");
var spans = box.getElementsByTagName("span");
var lis = box.getElementsByTagName("li");
for (var i = 0; i < spans.length; i++) {
spans[i].aaa = i;
spans[i].onclick = function () {
for (var i = 0; i < spans.length; i++) {
spans[i].className = "";
lis[i].className = "";
}
this.className = "current";
lis[this.aaa].className = "current";
}
}
</script>
</body>
</html>