Question

what is a null value ? what kind of variable is it given​

Answer 1

Answer:

The Null Variable. ... NULL is a special variable of type Undefined. Unlike a variable that is truly undefined, the value ! NULL can be assigned to other variables and used in comparisons....

Answer 2

Answer:

☣A null value indicates a lack of a value — a lack of a value is not the same thing as a value of zero in the same way that a lack of an answer is not the same thing as an answer of "no".

hope it's help❤gm