The download/install takes a while so start it first. When it finishes downloading you will still need to run it to complete installation.
Really the nicest choice for a terminal on OSX right now.
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
There was a [great article][1] about how react implements it's virtual DOM. There are some really interesting ideas in there but they are deeply buried in the implementation of the React framework.
However, it's possible to implement just the virtual DOM and diff algorithm on it's own as a set of independent modules.
Get Homebrew installed on your mac if you don't already have it
Install highlight. "brew install highlight". (This brings down Lua and Boost as well)