代码编辑器：
x
1
2
<meta charset="utf-8">3
<link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/>4
<script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script>5
<style>6
.siblings *7
{ 8
display: block;9
border: 2px solid lightgrey;10
color: lightgrey;11
padding: 5px;12
margin: 15px;13
}14
</style>15
<script>16
$(document).ready(function(){17
$("h2").siblings("p").css({"color":"red","border":"2px solid red"});18
});