代碼
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="jquery3.js"></script>
<style>
.menu{
height: 38px;
background-color: #eeeeee;
line-height: 38px;
}
.menu .menu-item{
float: left;
border-right: 1px solid red;
padding: 0 10px;
cursor: pointer;
}
.content{
min-height: 100px;
border:2px solid #eeeeee;
}
.hide{
display: none;
}
.active{
background-color: #428bca;
}
</style>
</head>
<body>
<div style="width: 700px;margin: 0 auto">
<div class="menu">
<div class="menu-item active" m="1">菜單一</div>
<div class="menu-item" m="2">菜單二</div>
<div class="menu-item" m="3">菜單三</div>
</div>
<div class="content">
<div c="1">內容一</div>
<div class="hide" c="2">內容二</div>
<div class="hide" c="3">內容三</div>
</div>
</div>
<script>
$(".menu-item").click(function () {
//爲當觸發的標籤添加active css
$(this).addClass('active')
//爲當前觸發標籤的兄弟標籤刪除active css
$(this).siblings().removeClass('active')
//獲取當前標籤下m的屬性值
var target = $(this).attr('m')
//根據當前標籤獲取的m值,在內容標下的所有孩子標籤下查找c=target的標籤
//然後刪除hide css ,併爲其它兄弟標籤添加hide css
$('.content').children("[c='"+target+"']").removeClass('hide').siblings().addClass('hide')
})
</script>
</body>
</html>
展示: