<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>函数调用</title> <script type="text/javascript"> function tcon() { alert("恭喜你学会函数调用了!"); } </script> </head> <body> <form> <input type="button" va
怎么老是提交出错啊,怎么回事啊!