VBScript IsDate Function
Definition and Usage
The IsDate function returns a boolean value indicating whether the calculated expression can be converted to a date. If the expression is a date or can be converted to a date, it returns True. Otherwise, it returns False.
Note:The IsDate function uses the local settings to detect whether a string can be converted to a date.
Syntax
IsDate(expression)
| Parameter | Description |
|---|---|
| expression | Required. The expression to be calculated. |
Instance
Example 1
document.write(IsDate("April 22, 1947"))
Output:
True
Example 2
document.write(IsDate(#11/11/01#))
Output:
True
Example 3
document.write(IsDate("#11/11/01#"))
Output:
False
Example 4
document.write(IsDate("Hello World!"))
Output:
False
