本文實例為大家分享了js Tab選項卡切換效果，供大家參考，具體內容如下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>tab</title>
<style>
*{margin:0; padding:0; list-style:none;}
.box{
width: 1000px;
overflow: hidden;
margin:100px auto 0px;
}
#title{
line-height: 40px;
background-color: rgb(247,247,247);
font-size: 16px;
font-weight: bold;
color: rgb(102,102,102);
overflow: hidden;
}
#title span{
float: left;
width: 166px;
text-align: center;
}
#title span:hover{
/*color: black;*/
cursor: pointer;
}
#content{
margin-top: 20px;
}
#content li{
width: 1050px;
overflow: hidden;
display: none;
background-color: rgb(247,247,247);
}
#content li div{
width: 156px;
margin-right: 14px;
float: left;
text-align: center;
}
#content li div a{
font-size: 14px;
color: black;
line-height: 14px;
/* float: left;*/
display: inline-block;
margin-top: 10px;
}
#content li a:hover{
color: #B70606;
}
#content li div span{
font-size: 16px;
line-height: 16px;
/*float: left;*/
display: block;
color: rgb(102,102,102);
margin-top: 10px;
}
#content img{
float: left;
width: 155px;
height: 250px;
}
#title .select{
background-color: rgb(10,167,112);
color: white;
}
#content .show{
display: block;
}
</style>
</head>
<body>
<div class="box">
<p id="title">
<span class="select">帥哥</span>
<span>美女</span>
<span>寵物</span>
<span>影視</span>
<span>英雄聯盟</span>
<span>音樂</span>
</p>
<ul id="content">
<li class="show">
<div><img src="images/shuaige1.jpg" alt="帥哥1"><a href="#">傑森·史坦森</a><span>狂拽炫酷屌炸天</span></div>
<div><img src="images/shuaige2.jpg" alt="帥哥2"><a href="#">傑森·史坦森</a><span>狂拽炫酷屌炸天</span></div>
<div><img src="images/shuaige3.jpg" alt="帥哥3"><a href="#">湯姆·克魯斯</a><span>高端大氣上檔次</span></div>
<div><img src="images/shuaige4.jpg" alt="帥哥4"><a href="#">湯姆·克魯斯</a><span>高端大氣上檔次</span></div>
<div><img src="images/shuaige5.jpg" alt="帥哥5"><a href="#">卷福</a><span>低調奢華有內涵</span></div>
<div><img src="images/shuaige6.jpg" alt="帥哥6"><a href="#">卷福</a><span>低調奢華有內涵</span></div>
</li>
<li>
<div><img src="images/meinv1.jpg" alt="美女1"><a href="#">美女</a><span>外猛內柔女漢子</span></div>
<div><img src="images/meinv2.jpg" alt="美女2"><a href="#">美女</a><span>外猛內柔女漢子</span></div>
<div><img src="images/meinv3.jpg" alt="美女3"><a href="#">美女</a><span>賣萌嘟嘴剪刀手</span></div>
<div><img src="images/meinv4.jpg" alt="美女4"><a href="#">美女</a><span>賣萌嘟嘴剪刀手</span></div>
<div><img src="images/meinv5.jpg" alt="美女5"><a href="#">美女</a><span>時尚亮麗小清新</span></div>
<div><img src="images/meinv6.jpg" alt="美女6"><a href="#">美女</a><span>時尚亮麗小清新</span></div>
</li>
<li>
<div><img src="images/chongwu1.jpg" alt="寵物1"><a href="#">寵物</a><span>每只666塊</span></div>
<div><img src="images/chongwu2.jpeg" alt="寵物2"><a href="#">寵物</a><span>每只666塊</span></div>
<div><img src="images/chongwu3.jpg" alt="寵物3"><a href="#">寵物</a><span>每只666塊</span></div>
<div><img src="images/chongwu4.jpg" alt="寵物4"><a href="#">寵物</a><span>每只666塊</span></div>
<div><img src="images/chongwu5.jpg" alt="寵物5"><a href="#">寵物</a><span>每只666塊</span></div>
<div><img src="images/chongwu6.jpg" alt="寵物6"><a href="#">寵物</a><span>每只666塊</span></div>
</li>
<li>
<div><img src="images/yingshi1.jpg" alt="影視1"><a href="#">哈利波特系列</a><span>經典中的經典</span></div>
<div><img src="images/yingshi2.jpg" alt="影視2"><a href="#">三傻大鬧寶萊塢</a><span>看到淚崩</span></div>
<div><img src="images/yingshi3.jpg" alt="影視3"><a href="#">變形金剛系列</a><span>過瘾過瘾過瘾</span></div>
<div><img src="images/yingshi4.jpg" alt="影視4"><a href="#">千與千尋</a><span>夢中的小蘿莉那麼清新</span></div>
<div><img src="images/yingshi5.jpeg" alt="影視5"><a href="#">龍貓</a><span>我的龍貓啊啊啊</span></div>
<div><img src="images/yingshi6.jpg" alt="影視6"><a href="#">阿甘正傳</a><span>阿甘還是那個阿甘</span></div>
</li>
<li>
<div><img src="images/lol1.jpg" alt="lol1"><a href="#">寒冰射手</a><span>蠻王他媳婦</span></div>
<div><img src="images/lol2.jpg" alt="lol2"><a href="#">黑暗之女</a><span>小蘿莉一枚</span></div>
<div><img src="images/lol3.jpg" alt="lol3"><a href="#">探險家</a><span>游戲中我最帥</span></div>
<div><img src="images/lol4.jpg" alt="lol4"><a href="#">人馬</a><span>上單大野全能</span></div>
<div><img src="images/lol5.jpg" alt="lol5"><a href="#">提莫提百萬</a><span>每天死亡百萬次。。</span></div>
<div><img src="images/lol6.jpg" alt="lol6"><a href="#">狼人</a><span>別給我放大</span></div>
</li>
<li>
待開發。。。
</li>
</ul>
</div>
<script>
var title=document.getElementById('title');
var content=document.getElementById('content');
var spans=title.getElementsByTagName('span');
var lis=content.getElementsByTagName('li');
for (var i = 0; i < spans.length; i++) {
spans[i].index=i;
spans[i].onclick=function(){
for (var j = 0; j < spans.length; j++) {
spans[j].className='';
lis[j].className='';
}
this.className='select';
lis[this.index].className='show';
}
}
</script>
</body>
</html>
這段代碼的關鍵處在最後的兩個for遍歷和this指針，第一個for遍歷是為每一個span按鈕添加點擊事件，而第二個for遍歷是確定當前點擊的是哪個按鈕，相應的內容部分就很好控制出現和隱藏了；
以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持。