<!DOCTYPE html>
<html>
<head>
<title>頁籤實作原理</title>
<script type="text/javascript" src="js/jquery.1.4.2-min.js"></script>
<style type="text/css">
.wrap{width: 300px;list-style: none;}
.wrap li{height: 50px;margin:1px;}
.active{font-weight:bold; background-color: pink; color:#fff;}
</style>
</head>
<body>
<ul class="wrap">
<li class="active">apple</li>
<li>pear</li>
<li>banana</li>
</ul>
<script type="text/javascript">
$(function(){
$(".wrap li").click(function() {
$(this).siblings('li').removeClass('active'); // 删除其兄弟元素的樣式
$(this).addClass('active'); // 為點選元素添加類名
});
});
</script>
</body>
</html>
轉載:https://blog.csdn.net/pink789/article/details/83049118