IT 231 -- Midterm Short Essay Questions

Include this statement at the top of your submission:
I completed these short essay questions by myself without
the help of any other persons.

Include references of you use information from books or the
internet.

Answer 2 out of 3 questions. Your answers should be targeted
to someone that understands the concepts in IT 231, but that
does not know about server-side JavaScript programming.
For full credit, write in complete sentences with an introduction
and a conclusion for each question.

1. Explain the similarities and differences between the 
   JavaScript that you used in IT 130 and the JavaScript that
   you have used up to now in IT 231. Give examples.

2. What are anonymous functions? What are functions written in 
   arrow notation and what are the rules for writing them? How 
   are functions written arrow notation used in Node programming?
   Also describe what callback functions are and how they are used
   in Node programming. Give Examples.

3. What are object literals and JSON strings? How do you convert
   an array of object literals to a JSON string and vice versa?
   How are these items used in Node programming? Give examples.