What built-in JavaScript function do you use to test whether a value is not a number?

Question:

What built-in JavaScript function do you use to test whether a value is not a number?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

JavaScript

ISBN: 9781305078444

6th Edition

Authors: Sasha Vodnik, Don Gosselin

Question Posted: