本文提供了一段使用原生JavaScript实现的Tab表单切换代码。通过监听鼠标单击事件，动态修改导航项的样式及内容面板的位置，实现无刷新切换展示效果。代码包含HTML结构、CSS样式及JS逻辑，适合前端初学者参考学习。
JavaScript实现Tab切换功能
本文分享了一段使用JavaScript实现鼠标单击Tab标签页切换展示功能的完整代码，供读者参考学习。
具体实现代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
*{
padding: 0;
margin: 0;
border:0;
}
body{
text-align: center;
}
ul{
list-style: none;
}
a{
text-decoration: none;
color: #ff6666;
font-family: Arial;
}
.tab-container{
width: 398px;
height: 200px;
border:1px #ffcccc solid;
margin: 0 auto;
position: relative;
overflow: hidden;
}
/*tab-head begin*/
.tab-head{
width: 400px;
height:30px;
left:0;
background: #ffcccc;
position: absolute;
left:-1px;//这里设置-1是为了li的border与最外层的border重合
}
.tab-head li{
float:left;
height: 29px;
line-height: 29px;
width: 78px;
overflow: hidden;
padding: 0 1px;
border-bottom: 1px solid #ffcccc;
background: #ffeeee;
}
li.select{
background: #fff;
padding: 0;
border-left: 1px solid #ffcccc;
border-right: 1px solid #ffcccc;
border-bottom: 1px solid #fff;
}
/*tab-head end tab-panel begin*/
.tab-panel{
position: relative;
width: 100%;
height: 85%;
top: 15%;
-webkit-transition:all 0.01s linear;//切换过渡效果
}
.tab-panel section{
position: absolute;
display: inline-block;
width: 100%;
height: 100%;
}
#panel-1{
left: 0;
}
#panel-2{
left: 100%;
}
#panel-3{
left: 200%;
}
#panel-4{
left: 300%;
}
#panel-5{
left: 400%;
}
</style>
</head>
<body>
<div class="tab-container">
<ul class="tab-head">
<li id="1" class="select" onmousedown="$(this)"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Tab1</a></li>
<li id="2" onmousedown="$(this)"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Tab2</a></li>
<li id="3" onmousedown="$(this)"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Tab3</a></li>
<li id="4" onmousedown="$(this)"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Tab4</a></li>
<li id="5" onmousedown="$(this)"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Tab5</a></li>
</ul>
<div id="tab-panel" class="tab-panel">
<section id="panel-1"><p>这是panel-1</p></section>
<section id="panel-2"><p>这是panel-2</p></section>
<section id="panel-3"><p>这是panel-3</p></section>
<section id="panel-4"><p>这是panel-4</p></section>
<section id="panel-5"><p>这是panel-5</p></section>
</div>
</div>
<script type="text/javascript">
function $(id){
var lis = document.getElementsByTagName('li');
for (var i = 0; i < lis.length; i++) {
lis[i].setAttribute('class','');
};
id.setAttribute('class','select');
var ele = document.getElementById('tab-panel');
ele.style.left=-(id.id-1)+'00%';
}
</script>
</body>
</html> 运行后的效果如下图所示：
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