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@JamieMason
JamieMason / average.js
Created July 28, 2011 09:29
Using underscore.js, return the average value from an array of Numbers.
function average (arr)
{
return _.reduce(arr, function(memo, num)
{
return memo + num;
}, 0) / arr.length;
}
# These are my notes from the PragProg book on CoffeeScript of things that either
# aren't in the main CS language reference or I didn't pick them up there. I wrote
# them down before I forgot, and put it here for others but mainly as a reference for
# myself.
# assign arguments in constructor to properties of the same name:
class Thingie
constructor: (@name, @url) ->
# is the same as: