jquery结构
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>jQuery结构</title> </head> <body> <script type='text/javascript'> (function(window){ var XX = (function(){ var XX=function(){ alert('hello'); } // alert(XX); return window.XX=window.$=XX;//注释掉后会发现设计的巧妙 })()//alert(xx);//alert(window.XX); })(window)//delete XX;//alert(XX) </script> </body></html>