VBScript Tutorial
VB HOME VB How to VB Variables VB Procedures VB Conditional VB Looping VB SummaryVB Examples
VB ExamplesVB References
VB Functions VB KeywordsVBScript IsNumeric Function
Complete VBScript Reference
The IsNumeric function returns a Boolean value that indicates whether a specified expression can be evaluated as a number. It returns True if the expression is recognized as a number; otherwise, it returns False.
Note: If expression is a date the IsNumeric function will return False.
Syntax
IsNumeric(expression)
| Parameter | Description |
|---|---|
| expression | Required. An expression |
Example
Example
<script type="text/vbscript">
Dim x
x=10
document.write(IsNumeric(x) & "<br />")
x=Empty
document.write(IsNumeric(x) & "<br />")
x=Null
document.write(IsNumeric(x) & "<br />")
x="10"
document.write(IsNumeric(x) & "<br />")
x="911 Help"
document.write(IsNumeric(x))
</script>
Dim x
x=10
document.write(IsNumeric(x) & "<br />")
x=Empty
document.write(IsNumeric(x) & "<br />")
x=Null
document.write(IsNumeric(x) & "<br />")
x="10"
document.write(IsNumeric(x) & "<br />")
x="911 Help"
document.write(IsNumeric(x))
</script>
The output of the code above will be:
True
True
False
True
False
True
False
True
False
Try it yourself »
Complete VBScript Reference
Your suggestion:
Close [X]
Thank You For Helping Us!
Your message has been sent to W3Schools.
Close [X]
