is_number

is_number(input: any): boolean

param input - Anything to test if it is of type number or not

returns: - boolean - true if it is a number, false otherwise. Infinity and NaN are defined to not be numbers in Hedgehog Lab. You can use hex and binary inputs as numbers - 0xff10 etc.

This function tests if the input is a number or not. It does not allow strings, infinity, NaN. It also checks type.