W3Schools 在线编辑工具（TIY） V3.0
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<!DOCTYPE html> <html> <head> <style> .siblings * { display: block; border: 2px solid lightgrey; color: lightgrey; padding: 5px; margin: 15px; } </style> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("h2").siblings().css({"color":"red","border":"2px solid red"}); }); </script> </head> <body class="siblings"> <div>div (父) <p>p</p> <span>span</span> <h2>h2</h2> <h3>h3</h3> <p>p</p> </div> </body> </html>