JavaScript has a function called ____ that returns a True value if a string cannot be converted to a number.
A) isNumeric(str)
B) isNaN()
C) numberToString(num)
D) isLetter(str)

Question

Quizplus · Accepted Answer

The correct function is isNaN(), which returns true if the value is NaN (Not-a-Number) or cannot be converted to a number, making it the right choice for checking if a string cannot be converted to a number.

JavaScript Has a Function Called ____ That Returns a True