VBScript reference

This is a quick reference for the language for keywords and built-in methods [1].

Methods

Here are all available built-in VBScript functions:

• Array methods
  • Array(params Elements())
  • Filter(Arr, Match, optional Include, optional CompareMode)
  • IsArray(Value)
  • Join(Arr, optional Delimiter)
  • LBound(Arr, optional Dimension)
  • Split(Str, optional Delimiter, optional count, optional CompareMode)
  • UBound(Arr, optional Dimension)

• Conversion and type methods
  • Asc(Char)
  • CBool(Value)
  • CByte(Value)
  • CCur(Value)
  • CDate(Value)
  • CDbl(Value)
  • Chr(Ascii)
  • CInt(Value)
  • CLng(Value)
  • CSng(Value)
  • CStr(Value)
  • Hex(Number)
  • IsArray(Value)
  • IsDate(Value)
  • IsEmpty(Value)
  • IsNull(Value)
  • IsNumeric(Value)
  • IsObject(Value)
  • Oct(Number)
  • TypeName(Value)
  • VarType(Value)

• Date and time methods
  • CDate(Value)
  • Date()
  • DateAdd(Interval, Number, Date)
  • DateDiff(Interval, Date1, Date2, optional FirstDayOfWeek, optional FirstWeekOfYear)
  • DatePart(Interval, Date, optional FirstDayOfWeek, optional FirstWeekOfYear)
  • DateSerial(Year, Month, Day)
  • DateValue(Date)
  • Day(Date)
  • FormatDateTime(Date, Format)
  • Hour(Time)
  • IsDate(Date)
  • Minute(Time)
  • Month(Date)
  • MonthName(Month, optional Abbreviate)
  • Now()
  • Second(Time)
  • Time()
  • Timer()
  • TimeSerial(Hour, Minute, Second)
  • TimeValue(Time)
  • Weekday(Date, optional FirstDayOfWeek)
  • IsDate(Weekday, optional Abbreviate, optional FirstDayOfWeek)
  • Year(Date)

• Format methods
  • FormatCurrency(Number, optional DigitsAfterDecimal, optional IncludeLeadingZero, optional UseParenthesesForNegative, optional GroupDigits)
  • FormatDateTime(Date, Format)
  • FormatNumber(Number, optional DigitsAfterDecimal, optional IncludeLeadingZero, optional UseParenthesesForNegative, optional GroupDigits)includeleadingzero, optional useparenthesesfornegative, optional groupdigits)
  • FormatPercent(Number, optional DigitsAfterDecimal, optional IncludeLeadingZero, optional UseParenthesesForNegative, optional GroupDigits)

• Math methods
  • Abs(Number)
  • Atn(Number)
  • Cos(Number)
  • Exp(Number)
  • Int(Number)
  • Fix(Number)
  • Log(Number)
  • Randomize optional Seed
  • Rnd(optional Seed)
  • Round(Number, optional DecimalPlaces)
  • Sgn(Number)
  • Sin(Number)
  • Sqr(Number)
  • Tan(Number)

• String methods
  • InStr(optional Start, String1, String2, optional CompareMode)
  • InStrRev(String1, String2, optional Start, optional CompareMode)
  • LCase(Str)
  • Left(Str, Length)
  • Len(Str)
  • LTrim(Str)
  • Mid(Str, Start, optional Length)
  • Replace(Str, Find, ReplaceWith, optional Start, optional Count, optional CompareMode)
  • Right(Str, Length)
  • RTrim(Str)
  • Space(Number)
  • StrComp(Str1, Str2, optional CompareMode)
  • String(Number, Character)
  • StrReverse(Str)
  • Trim(Str)
  • UCase(Str)

• Other methods
  • CreateObject("Project.Object", optional Location)
  • GetObject(optional Path, optional Class)
  • GetRef(FunctionName)
  • Eval(Expression)
  • Execute Expression
  • ExecuteGlobal Expression
  • ScriptEngine()
  • ScriptEngineMajorVersion()
  • ScriptEngineMinorVersion()
  • ScriptEngineBuildVersion()
  • LoadPicture(Path)
  • RGB(Red, Green, Blue)
  • InputBox(Text, optional Title, optional Default, optional XPos, optional YPos, optional Helpfile, optional Context)
  • MsgBox(Text, optional Flags, optional Title, optional Helpfile, optional Context)
  • GetLocale()
  • SetLocale(Lcid)

Objects

• Common ActiveX objects available via the CreateObject() function
  • Scripting.Dictionary
  • Scripting.FileSystemObject
  • WScript.Shell
  • WScript.Network
  • MSComDlg.CommonDialog
  • TLI.TLIApplication
  • InetCtls.Inet (this can now be done with the CreateObj function instead)
  • MSWinsock.Winsock (events won't be available; this can now be done with the CreateObj function instead)
  • Sapi.SpVoice (this may not be available on all computers)

• Built-in objects
  • RegEx object

Constants

Template:Main Here are all the categories of VBScript constants:

• Color constants
• Compare mode settings
• Date format settings
• First day of week settings
• First week of year settings
• Message box results
• Message box settings
• String constants
• Variable types
• Other constant values

Keywords

Here is a list of all available VBScript keywords in alphabetical order and a link to the article about them.

• And - Logical or bitwise conjunction
• ByVal - By value
• ByRef - By reference
• Call - Calling subroutines and functions
• Case - Select Case block and Case block
• Class - Class block
• Const - Declaring constants
• Default - Default member
• Dim - Declaring variables
• Do - Do loop
• Each - For Each block
• Else - Else statement
• ElseIf - ElseIf...Then statement
• Empty - An uninitialized value
• End - End an If, Select, Sub, Function, Property, Class, or With block
• Eqv - Logical or bitwise equivalence
• Error - On Error Resume Next statement or On Error GoTo 0 statement
• Exit - Exit a For, Do, Sub, Function, or Property block
• Explicit - Option Explicit statement
• False - A negative Boolean
• For - For loop
• Function - Function block
• Get - Property Get block
• GoTo - On Error GoTo 0 statement
• If - If...Then statement or block
• Imp - Logical or bitwise implication
• In - For Each block
• Is - Is operator
• Let - Property Let block
• Loop - End of Do loop
• Mod - Modulus
• New - Creating custom objects
• Next - End of For loop or On Error Resume Next statement
• Not - Logical or bitwise negation
• Nothing - Cleaning up with Nothing
• Null - A value with no data
• On - On Error Resume Next statement or On Error GoTo 0 statement
• Option - Option Explicit statement
• Or - Logical or bitwise disjunction
• ReDim - Dynamic arrays
• Rem - Comments
• Resume - On Error Resume Next statement
• Preserve - Dynamic arrays
• Private - Declaring private variables or declaring private methods
• Property - Property blocks
• Public - Declaring public variables or declaring public methods
• Select - Select Case block
• Set - Property Set block or Object assignment
• Step - For block
• Sub - Sub block
• Then - If...Then statement or block or ElseIf...Then statement
• To - For block
• True - A positive Boolean
• Until - Do loop
• Wend - End a While loop
• While - While loop or Do loop
• With - With block
• Xor - Logical or bitwise exclusion
• Object.Member operator - Accessing object members
• + - Addition, string concatenation, or unary plus
• ' - Comments
• / - Division (decimal)
• \ - Division (integer)
• = - Equals comparison
• ^ - Exponent
• > - Greater than comparison
• >= - Greater than or equal to comparison
• < - Less than comparison
• <= - Less than or equal to comparison
• : - Line combination
• _ - Line split
• * - Multiplication
• <> - Not equal comparison
• (...) - Parentheses
• [...] - Square bracketed identifiers
• & - String concatenation
• - - Subtraction or unary negation

See also

• VBScript
• VBScript language
• Script system