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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 src="http://cdn.static.twle.cn/libs/jquery/1.6.2/jquery.min.js"></script> <script> (function(){ var sub = jQuery.sub(); sub.fn.myCustomMethod = function(){ return 'just for me'; }; sub(document).ready(function() { alert(sub('body').myCustomMethod()); }); alert(typeof jQuery('body').myCustomMethod); //underfine })(); </script> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: