Day 08 - JS: Loops, Functions, Arrays

Topics

Loops
- initialization (usually declaring a variable for counting where we are in the loop)
- condition (the test to determine whether or not to run the code)
- final expression (code to run after the code has run, before checking the condition again)
- statement (code to run on each go through the loop)
Functions
- What and why is a function?
- Anatomy of a function
  - function keyword
  - parameters
  - statement
  - return value
- expression vs declaration
- invoking a function (arguments vs parameters)
Arrays
- What and why is an array?
- Anatomy of an array
  - square brackets: []
  - , delineated
  - can contain any value that can be stored in a variable
- Retrieving array values
  - zero indexed
  - 'bracket notation'
- .length
- Looping over an array
Forking / cloning