Aptitude | JavaScript Course Quiz 3 | Question 10
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.
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Last Updated :
10 May, 2019
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