Added arrays/filtering-arrays

[JohnFord]

Hey Dave,

I'm not certain if this is what you were thinking but I tried to make the function behave per what you put in the "recipe hitlist".

Also, I am completely new to coffeescript and mainly using this as a learning opportunity as much as anything so feel free to tell me if this is total crap.

Thanks,

John

[dbrady]

John, this is fantastic! You are the first person to join the contributors team! I'm not EXACTLY certain how this works, but I think it means you can do this to your repository:

git remote rm origin
git remote origin add git@github.com:coffeescript-cookbook/coffeescript-cookbook.github.com.git

And then do a git pull. You can now commit directly to the cookbook! With great power comes great abuse, so go nuts!

I have two quick suggestions for you: one, change the hashrocket to be on newlines, e.g.:

filtered_array = array.filter (x) -> x % 3 == 0

=> [2,4,6,8,10]

The reason: One, simple style consistency. Two, I'm getting ready to write an automagic code checker that will load up and evaluate script code, and whenever it sees # => on a new line it will check the current evaluation to see if it matches, and if it doesn't it will flag that snippet as broken so we can find and fix bad recipes.

Second thing: Add yourself to the author's page! Welcome aboard!