wasp tracking system

whether a given file name is a directorySyntax structure: boolis_dir (name)Return type: Returns True if the file name exists and is a directory, otherwise false.?? Is_executable ()--determine if the given file name is executableSyntax structure: boolis_executable (name)return type: False if the file exists and the executable returns TRUE.?? Is_file ()--determine if the given file name is a normal fileSyntax structure: boolis_file (name)Return type: Returns True if the file exists and is a norma

DHTML in IE has various M $ private features, which are well known. It is interesting to see event. screenx and event. screeny, which can be used to obtain system-level mouse coordinates. I think there is nothing at all. The coordinates on the screen are nothing more than the coordinates in the client area of the browser + the browser window coordinates + the client area offset. IE itself can use the event and screen objects to obtain information rela