Truthy from different aurgement type

1. Undefined => false
2. Null => false
3. Boolean => The result equals the input argument (no conversion).
4. Number => The result is false if the argument is +0, −0, or NaN; otherwise the result is true.
5. String => The result is false if the argument is the empty String (its length is zero); otherwise the result is true.
6. Object => true.