What value have a property that does not exist?

Question

A property that does not exist has which of the following values?

Question 5 options:

A)
null

B)
Infinity

C)
NaN

D)
undefined

Answer 1

I don't really understand what you are asking... Sorry. Could you try and rephrase?

Answer 2

A property tbat doesn't exist can't have a value... (still a bit confused here, but better)

Answer 3

idk

Answer 4

I just added the description

Answer 5

In Java, it will give NullPointerException.(in short Null)
In JavaScript, it will give undefined.