Validation API
isNan()
Validates that the passed arguments cannot be converted to numbers.
- Accepts any arguments.
- Returns true if all provided arguments pass the validation, otherwise, returns false.
Example:
isNan('book');
// true
isNan('$1');
// true
isNan(1.5, '-1.5');
// false
!isNan('book');
// false
!isNan(1, 'book', []);
// true