VBScript VarType Function
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The VarType function returns a value that indicates the subtype of a specified variable.
The VarType function can return one of the following values:
- 0 = vbEmpty - Indicates Empty (uninitialized)
- 1 = vbNull - Indicates Null (no valid data)
- 2 = vbInteger - Indicates an integer
- 3 = vbLong - Indicates a long integer
- 4 = vbSingle - Indicates a single-precision floating-point number
- 5 = vbDouble - Indicates a double-precision floating-point number
- 6 = vbCurrency - Indicates a currency
- 7 = vbDate - Indicates a date
- 8 = vbString - Indicates a string
- 9 = vbObject - Indicates an automation object
- 10 = vbError - Indicates an error
- 11 = vbBoolean - Indicates a boolean
- 12 = vbVariant - Indicates a variant (used only with arrays of Variants)
- 13 = vbDataObject - Indicates a data-access object
- 17 = vbByte - Indicates a byte
- 8192 = vbArray - Indicates an array
Note: If the variable is an array VarType() returns 8192 + VarType(array_element). Example: for an array of integer VarType() will return 8192 + 2 = 8194.
Syntax
VarType(varname)
| Parameter | Description |
|---|---|
| varname | Required. A variable name |
Example
Example
<%
x="Hello World!"
response.write(VarType(x) & "<br />")
x=4
response.write(VarType(x) & "<br />")
x=4.675
response.write(VarType(x) & "<br />")
x=Null
response.write(VarType(x) & "<br />")
x=Empty
response.write(VarType(x) & "<br />")
x=True
response.write(VarType(x))
%>
The output of the code above will be:
8
2
5
1
0
11
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