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VBScript TypeName Function


VBScript Reference Complete VBScript Reference

The TypeName function returns the subtype of a specified variable.

The TypeName function can return one of the following values:

  • Byte - Indicates a byte value
  • Integer - Indicates an integer value
  • Long - Indicates a long integer value
  • Single - Indicates a single-precision floating-point value
  • Double - Indicates a double-precision floating-point value
  • Currency - Indicates a currency value
  • Decimal - Indicates a decimal value
  • Date - Indicates a date or time value
  • String - Indicates a character string value
  • Boolean - Indicates a boolean value; True or False
  • Empty - Indicates an unitialized variable
  • Null - Indicates no valid data
  • <object type> - Indicates the actual type name of an object
  • Object - Indicates a generic object
  • Unknown - Indicates an unknown object type
  • Nothing - Indicates an object variable that doesn't yet refer to an object instance
  • Error - Indicates an error

Syntax

TypeName(varname)

Parameter Description
varname Required. A variable name

Example

Example

<%

x="Hello World!"
response.write(TypeName(x) & "<br />")
x=4
response.write(TypeName(x) & "<br />")
x=4.675
response.write(TypeName(x) & "<br />")
x=Null
response.write(TypeName(x) & "<br />")
x=Empty
response.write(TypeName(x) & "<br />")
x=True
response.write(TypeName(x))

%>

The output of the code above will be:

String
Integer
Double
Null
Empty
Boolean

Show Example »

VBScript Reference Complete VBScript Reference

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