Answers CHAPTER 6 309
- Correct answer: A
A. Correct: Using jQuery will help you create event-driven, browser-independent
code.
B. Incorrect: The code for creating and subscribing to events is browser-specific.
C. Incorrect: You need to use JavaScript to write event-driven code.
D. Incorrect: Use the jQuery library to write browser-independent code. - Correct answer: C
A. Incorrect: jQuery does not have an exists property.
B. Incorrect: Even if no elements are found, jQuery will return a wrapper object.
C. Correct: If no elements are found, the length property will be 0, which converts to
a Boolean false.
D. Incorrect: jQuery does not have a count property.