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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>输出Hello World</title> <head> <script type="text/javascript"> var txt = ""; try{ adddlert("Wellcome guest~"); }catch(err){ txt="此页面存在一个错误。\n\n" ; txt+="错误描述: " + err.message + "\n\n"; txt+="点击“确定”继续。\n\n"; alert(txt); } </script> </head> <body> </body> </html>
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原文地址：http://www.cnblogs.com/xiaotaoxu/p/5544552.html
