Explanation:If the argument resolves to null, $toLower returns an empty string “”. 3. Which of the following accepts a single argument expression ?
A. $toLow
B. $toUpper
C. $toEqual
D. None of the mentioned
Answer:A
Explanation:If the argument resolves to null, $toLower returns an empty string “”. 3. Which of the following accepts a single argument expression ?
A. $toLow B. $toUpper C. $toEqual D. None of the mentioned
Explanation:$toUpper converts a string to uppercase. 4. Which of the following performs case-insensitive string comparison ?