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Tham khảo tài liệu 'autoi technology curriculum book part 108', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Return Value Success Returns 1. Failure Returns 0 if expression is not integer. Remarks IsInt 7.5 - 2.5 returns 1 meaning true . Related IsArray IsFloat IsString IsNumber IsBool IsHWnd StringlsInt Example IsInt -12345 IsInt 3.0000 IsInt 5432 IsInt 7.5 - 4.5 returns 1 returns 1 returns 0 since is a string returns 1 since evaluates to integer 3 Function Reference IsKeyword Checks if a variable is a keyword for example Default . IsKeyword variable Parameters variable The variable to check. Return Value Success Returns 1 if variable is a keyword. Failure Returns 0 if variable is not a keyword. Remarks Related Default Example a default If IsKeyword a Then MsgBox 0 Ok Yes it is Function Reference IsNumber Checks if a variable s base type is numeric. IsNumber variable Parameters variable The variable expression to check. Return Value Success Returns 1. Failure Returns 0 if expression is not numeric type. Remarks Variants can be of two base types Strings and Numbers. Additionally a number can be whole integer or fractional floating-point. Related IsArray IsFloat IsInt IsString IsBool IsHWnd Example IsNumber 42 Function Reference IsObj Checks if a variable or expression is an object type. IsObj variable Parameters variable The variable expression to check. Return Value Success Returns 1 if expression is an object variable. Failure Returns 0 if expression is not an object .