In addition to the false boolean value, |boolean-exp| evaluates as
false the following: null, 0, and undefined values. The
|boolean-exp| evaluates all other values as true, including non-zero
numeric values and arrays.
In addition to the false boolean value, |boolean-exp| evaluates as
false the following: null, 0, and undefined values. The
|boolean-exp| evaluates all other values as true, including non-zero
numeric values and arrays.