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Interview Preparation Coding Interview Objective
May 09, 2013

What does isNaN function do in JavaScript?

Choose the correct answer:
A) Return true if the argument is a number.
B) Return false if the argument is not a number.
C) Return true if the argument is a number.
D) Return true if the argument is not a number.
Detailed Explanation

Option  D is the right Answer

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