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源代码
在线运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>代码学院(codexy.cn)</title> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script> </head> <body> <script> $(function () { function fun( html ){ document.body.innerHTML += "<br>" + html; } fun($.isXMLDoc(document)); fun($.isXMLDoc(document.body)); }) </script> </body> </html>
动行结果