在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(cainiaoplay.com)</title>
<style>.siblings *{ 
	display: block;
	border: 2px solid lightgrey;
	color: lightgrey;
	padding: 5px;
	margin: 15px;
}
</style>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
	  $("li.start").siblings(".1").css({"color":"red","border":"2px solid red"});
});
</script>
</head>
<body>

<div style="width:500px;" class="siblings">
	  <ul>ul (parent)  
		<li>li (the previous sibling of "start")</li>
		<li class="1">li (the previous sibling of "start")</li>
		<li class="start">li (sibling)</li>
		<li>li (the next sibling of "start")</li>
		<li class="1">li (the next sibling of "start")</li>
	  </ul>   
</div>
<p>在这个例子中,我们缩小搜索结果只返回在类名为“star”和“stop”的li元素之间类名为“1”的兄弟元素。</p>

</body>
</html>
源代码

动行结果
