Which of these methods can be used to check whether the given value is a number or not? Options: A . &nbspisNaN() B . &nbspisNumber() C . &nbspcheckNaN() D . &nbspcheckNumber()

Which of these methods

Question

Which of these methods can be used to check whether the given value is a number or not?

Options:

A . isNaN()

B . isNumber()

C . checkNaN()

D . checkNumber()

Answer: Option A

isNaN() methods returns true if num specified is not a number, otherwise it returns false.

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