What will be the output of the following code?
<script> document.write(NaN == NaN);
</script> |
(A) true
(B) false
(C) 1
(D) 0
Answer: (B)
Explanation: Equality operator (== and ===) cannot be used to test a value against NaN. Use Number.isNaN() or isNaN() instead.
Hence, it is not equal.
Quiz of this Question
Article Tags :
Recommended Articles