Back to Questions

Programming Languages JavaScript Objective

Mar 04, 2013

What does isNaN function do in JavaScript?

Choose the correct answer:

A) Return true if the argument is not a number.

B) Return false if the argument is not a number.

C) Return true if the argument is a number.

D) All of the above

Detailed Explanation

Option A is the right answer.

Discussion (0)

No comments yet. Be the first to share your thoughts!

Share Your Thoughts

Feedback