简单教程
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代码编辑器:
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script> <script> $(document).ready(function(){ $("p").filter(".url").css("background-color","yellow"); }); </script> <h1>欢迎访问我的主页</h1> <p>简单教程 (index 0).</p> <p class="url">http://www.twle.cn (index 1)</p> <p>google (index 2).</p> <p class="url">http://www.google.com (index 3)</p> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: