Functions list of the language VBScript

Function categories:

VBScript data type functions:

CBool	Returns an expression that has been converted to the value of the Boolean type
CByte	Returns an expression that has been converted to the value of the Byte type
CDate	Returns an expression that has been converted to the value of the Date type
CDbl	Returns an expression that has been converted to the value of the Double type
CInt	Returns an expression that has been converted to the value of the Integer type
CLng	Returns an expression that has been converted to the value of the Long type
CSng	Returns an expression that has been converted to the value of the Single type
CStr	Returns an expression that has been converted to the value of the String type
IsArray	Returns a Boolean value - specifies whether the variable is an array
IsDate	Returns a Boolean value - specifies whether an expression can be converted to a date
IsEmpty	Returns a boolean value - specifies whether a variable has been initialized
IsNull	Returns a boolean value that specifies whether an expression contains no valid data
IsNumeric	Returns a Boolean value - specifies whether an expression can be evaluated as a number.
IsObject	Returns a Boolean value - specifies whether an expression references a valid Automation object
TypeName	Returns a string that provides data type information about a variable
VarType	Returns a value indicating the data type of the variable

VBScript visualization functions (See also: Pm visualization methods):

InputBox	Displays a window for entering the value
MsgBox	Displays a message in the window, waits for the user to click a button

VBScript mathematic functions (See also: Pm properties and methods mathematic and others):

Abs	Absolute value of a number
Atn	Returns the arctangent of a number
Cos	Returns the cosine of an angle
Eval	Calculate expression and returns value
Exp	Returns e (the base of natural logarithms) raised to a power
Fix	Returns the integer portion of a number
FormatNumber	Returns an expression formatted as a number
FormatPercent	Returns an expression formatted as a percentage (multiplied by 100) with a trailing "%" character
Hex	Returns a string that represents the value of a number in hexadecimal
Int	Returns the integer portion of a number
Log	Returns the natural logarithm of a number
Oct	Returns a string that represents the octal value of a number
Rnd	Returns a random number
Round	Returns a number rounded to a specified number of decimal places
Sgn	Returns an integer indicating the sign of a number
Sin	Returns the sine of an angle
Sqr	The square root of a number
Tan	Returns the tangent of an angle

VBScript date and time functions (See also: Pm date and time methods):

Date	Returns the current system date
DateAdd	Returns a date to which a specified time-span has been added
DateDiff	Returns the number of time-spans between two dates
DatePart	Returns the specified part of a given date
DateSerial	Returns a date for a specified year, month, and day
DateValue	Returns a date without time
Day	Day of the month (integer 1-31)
FormatDateTime	Returns an expression formatted as date or time
Hour	The hour of the day (integer 0-23)
Minute	The minute of the hour (integer 0-59)
Month	Month (integer 1-12)
MonthName	Returns the month name
Now	Returns the current date and time
Second	The second of the minute (integer 0-59)
Time	Returns the current system time without date
TimeSerial	Returns a value of the Date type containing the time for a specific hour, minute, and second
TimeValue	Returns a value of the Date type containing the time
Weekday	Day of the week
WeekdayName	Returns the name of day in week
Year	Year (integer)

VBScript string functions (See also: Pm string methods):

Asc	Returns the ANSI character code corresponding to the first letter in the string
Chr	Returns the character associated with the specified code
InStr	Returns the position of the first occurrence of one string within another
InstrRev	Returns the position of an occurrence of one string within another, from the end of string
Join	Returns a string created by joining a number of substrings contained in the array
LCase	Returns a string that has been converted to lowercase
Left	Returns a specified number of characters (substring) from the left side of a string
Len	Returns the number of characters in the string
LTrim	Returns a copy of a string without leading spaces (left trim)
Mid	Returns a specified number of characters from a string
Replace	Returns string in which a specified substring has been replaced with another substring a specified number of times
Right	Returns a specified number of characters from the right side of a string
RTrim	Returns a copy of a string without trailing spaces at the end (right trim)
Space	Returns a string consisting of the specified number of spaces
Split	Returns a 1-dimensional array of substrings
StrComp	Returns a value indicating the result of a string comparison
String	Returns a repeating character string of the length specified
StrReverse	Returns a string in which the character order of a specified string is reversed
Trim	Returns a copy of a text string without both leading and trailing spaces
UCase	Returns a string that has been converted to uppercase

VBScript array functions:

Array	Returns 1-dimensional array of values
Filter	Returns a subset of a string array based on a specified filter criteria.
LBound	Returns the smallest available index for the indicated dimension of the array
UBound	Returns the largest available index for the indicated dimension of the array

VbScript other functions:

CreateObject	Creates and returns an Automation object
GetObject	Returns the Automation object from the file
RGB	Returns a integer that represents an RGB color value