Navigating the Internet, moving quickly from one item to the next or to locate a particular item is known as:

To use recursion for a binary search, what is required before the search can proceed?

a. The array must include only integers. b. The array can only include numerical values. c. The array must be sorted. d. All of these are required.

?In JavaScript, _________ are followed by parentheses, which may be empty, or may contain an argument.

Fill in the blank(s) with the appropriate word(s).