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VBScript TypeName Function
 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
| Parameter |
Description |
| varname |
Required. A variable name |
Example 1
dim x
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))
Output:
String
Integer
Double
Null
Empty
Boolean
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Complete VBScript Reference
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