Q54
Consider the following code snippet let x=x+1; console.log(x); What will be the result for the above code snippet?
A.
0
B.
Null
C.
ReferenceError
D.
NaN
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Since x is a let variable and since x is undefined, so x+1 is NaN. Thus, the above code snippet prints NaN.