I understand that functions in JavaScript can take any number of arguments.
Yes
I can describe the similarity between blocks in Ruby and anonymous functions in JavaScript.
Yes
Where are the methods available to all arrays (e.g. forEach, map, etc.) defined?
Array.prototype.methods
I can explain the difference between using a for loop and the forEach method.
Yes
I can explain the difference between forEach and map.
Yes
Can you explain the process of taking a plain JavaScript objects, transforming them into DOM nodes, and appending them to the page.
Mostly
How comfortable are you using the forEach() method?
8/10
How comfortable are you using the map() method?
7/10
How comfortable are you using the filter() method?
7/10
How comfortable are you using the reduce() method?
6/10
How comfortable are you using the sort() method?
6/10
How comfortable are you working with simple unit tests in Mocha in the browser? 6/10