Exercises on the javascript quiz
In order to build up you understanding of the javascript code, try these questions, and add some
of your own. Feel free to refer to the text. Keep in mind that many of these are tough questions,
intended to help generate discussions, so don’t worry if you are not sure how to answer them yet.
1. Consider the first call to the handleQuestion function, on line 57 of the code.
a. For each variable below, write what is its value are after line 8 of the handleQuestion code has
executed.
- number
- text
- correctAnswerNumber
- answers
- questionScore
b. Which of these variables store integers? Which store strings (i.e. text)? Which stores an array
of strings?
c. What value does answers[3] have?
d. If userAnswerNumber has value 2, what value does answers[userAnswerNumber] have?
e. The html code produced by the function will be viewed as:
