Mar 11: Functions and Scope

Learning Objectives

After today's class, you should be able to:

• Explain how function and variable declarations are hoisted to the top of their scope.
• Compare function declarations (which are fully hoisted) and function expressions.
• Distinguish between global, function/local, and block scope of variable declarations.

Lesson Outline

Mini Lecture [30 min]

• 20_Textbook_8.8-8.9.pdf – by Connolly and Hoar
  • listing8.11.js   listing8.12.js   listing8.13.js
  • listing8.14.js   listing8.15.js   listing8.16.js
  • ch08.html

Peer Review [45 min]

• Read and discuss narrative/sketch – 8 min/project
  • 2:55–3:03pm   Review 1st project
  • 3:03–3:11pm   Review 2nd project
• Meet other team and give feedback – 4 min/each
  • 3:11–3:19pm   1 and 4    2 and 5    3 and 6
  • 3:19–3:27pm   4 and 7    5 and 8    6 and 9
  • 3:27–3:35pm   7 and 1    8 and 2    9 and 3

Seating Chart

Whiteboard
Team 9 reviews 3 and 6	Team 8 reviews 2 and 5	Team 7 reviews 1 and 4
Team 6 reviews 9 and 3	Team 5 reviews 8 and 2	Team 4 reviews 7 and 1
Team 3 reviews 6 and 9	Team 2 reviews 5 and 8	Team 1 reviews 4 and 7
Back Wall