Number functions

The following table describes the number functions.

Warning Using negation (!) at the beginning of any function can cause unexpected validation results.
Function Description
isEven (number) Checks whether the number is even.
isOdd (number) Checks whether the number is odd.
isGreater (number1, number2) Checks whether the number is greater than the second number.
isGreaterEq (number1, number2) Checks whether the number is greater than or equal to the second number.
isLess (number1, number2) Checks whether the number is less than the second number.
isLessEq (number1, number2) Checks whether the number is less than or equal to the second number.
isPositive (number) Checks whether the number is greater than zero.
isNonnegative (number) Checks whether the number is greater than or equal to zero.
isNegative (number) Checks whether the number is less than zero.
isBetween (number1, number2, number3)

Checks whether the number is greater than the second number but less than the third number.