slloyd

foo =
  a: 1
  b: 2
  c: 3

x = Object.keys foo

y = key for key, value of foo

slloyd

x = [1, 2, 3, 4]
alert(x.length - 1)
alert(x.length- 1)
alert(x.length-1)
alert(x.length -1)

slloyd

x = [ 'a', 'b', 'c', 'd', 'e', 'f']
len = x.length

y = x[1...(len-1)]
z = x[1..(len-1)]

slloyd

foo = (a, b, plusOne = true) ->
  out = a + b
  out += 1 if plusOne

slloyd

CoffeeScript: The Good Parts

The End

slloyd

Act One

coffeescript:

a = if x then y else z

javascript:

a = x ? y : z;