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VBScript TypeName Function

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TypeName function returns a subtype of a specified variable.

TypeName function returns the following values:

  • Byte - represents a byte value
  • Integer - represents an integer value
  • Long - represents a long integer
  • Single - represents a single-precision floating-point values
  • Double - represents a double-precision floating-point value
  • Currency - represents a monetary value
  • Decimal - represent a decimal value
  • Date - represents a date or time value
  • String - A string value represents
  • Boolean - indicates a Boolean value, True or False
  • Empty - represents an uninitialized variable
  • Null - means no valid data
  • <Object type> - represents the actual name of the object type
  • Object - represents generic object
  • Unknown - Unknown object type represents
  • Nothing - not yet represent a reference to an object variable object instance
  • Error - indicates an error

grammar

TypeName(varname)

参数 描述
varname 必需。变量的名称。

Examples

Examples

<script type="text/vbscript">

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

</script>

Examples of the above output:

String
Integer
Double
Null
Empty
Boolean

try it"
VBScript Reference Complete VBScript Reference