jQuery选项卡小练习

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>选项卡</title>
    <style>
        *{
            margin:0;
            border:0;
            padding:0;
        }
        .box{
            width: 1000px;
            margin:50px auto;
        }


        .tab dd{
            float:left;
            width:100px;
            padding:3px;
            margin-right:1px;
            background: #FF0000;
            color:#fff;
            text-align: center;
            cursor: pointer;
        }
        .tab dd:hover,.tab dd.active{
            background: #990000;
        }
        .goods{
            clear:both;
        }
        .goods div{
            display: none;
        }
        .goods div.current{
            display: block;
        }
    </style>
    <script src="../jquery-1.8.2.js"></script>
    <script>
        $(function(){
            $('dd').on('click',function(){
                $(this).addClass('active').siblings().removeClass('active');
                //拿到dd中所对应的下标
                var i=$(this).index();
                //以下标的值来找div的位置
                $('.goods div').hide().eq(i).show(1000)
            })
        })
    </script>
</head>
<body>
<div class="box">
    <dl class="tab">
        <dd class="active">手机</dd>
        <dd>家电</dd>
        <dd>服装</dd>
        <dd>数码</dd>
        <dd>玩具</dd>
    </dl>
    <div class="goods">
        <div class="current"><h1>手机商品</h1></div>
        <div><h1>家电商品</h1></div>
        <div><h1>服装商品</h1></div>
        <div><h1>数码商品</h1></div>
        <div><h1>玩具商品</h1></div>
    </div>
</div>


</body>
</html>