<!DOCTYPE html>
<html>
<body>
<%

调光 x
x=10
response.write(IsNumeric(x) & "<br>")
x=Empty
response.write(IsNumeric(x) & "<br>")
x=Null
response.write(IsNumeric(x) & "<br>")
x="10"
response.write(IsNumeric(x) & "<br>")
x="911 Help"
response.write(IsNumeric(x))

%>

</body>
</html>