Functions list of the VBScript language

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 containing 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 the 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 the 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 the 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 containing 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