If a non-letter is passed to the toLowerCase or toUpperCase method, it is returned unchanged.

Name: If a non-letter is passed to the toLowerCase or toUpperCase method, it is returned unchanged.
Brand: Quizplus
Rating: 4.7 (31 reviews)

Question

Quizplus · Accepted Answer

The toLowerCase() and toUpperCase() methods in programming languages like JavaScript return the calling string value converted to lower or upper case, respectively. If a non-letter character (such as a number, punctuation, or space) is passed, it is not affected by these methods and is returned unchanged.

If a Non-Letter Is Passed to the ToLowerCase or ToUpperCase