What is the use of isNaN function?

Question

prateek jain · Answer

The IsNaN () function determines whether the value is an invalid number (not-a-number). If the value is equal to NaN, then this function is correct. Otherwise it is unreal. This function number is different from the specific number.isNaN () method.

the best Javascript programming courses, tutorials, MCQ,interview questions recommended by experts.

Anonymous User · Answer

isNan function returns true if the argument is not a number otherwise it is false.

interview

What is the use of isNaN function?

Can you answer this question?

2 Answers