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AI solution for JavaScript Quiz on BFE.dev
92. NaN
The code below outputs:
false
false
true
-1
true
NaN
NaN
NaN
Explanation:
NaN == NaN
returnsfalse
because NaN is not equal to any value, not even itself.NaN === NaN
also returnsfalse
for the same reason.Object.is(NaN, NaN)
returnstrue
because it is a special comparison operator that treats NaN as equal to itself.[NaN].indexOf(NaN)
returns-1
because the indexOf() method uses === to compare values, which returns false for NaN === NaN.[NaN].includes(NaN)
returnstrue
because it uses the same comparison as Object.is(), and considers NaN equal to itself.Math.max(NaN, 1)
returnsNaN
because any comparison operation involving NaN results in NaN.Math.min(NaN, 1)
returnsNaN
for the same reason.Math.min(NaN, Infinity)
also returnsNaN
because any comparison operation involving NaN results in NaN.