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)
Answer: B
Computer Science & Information Technology
A. isNumeric(str)
B. isNaN()
C. numberToString(num)
D. isLetter(str)
Answer: B