RosettaCodeData/Task/Averages-Arithmetic-mean/CoffeeScript/averages-arithmetic-mean.coffee
2013-04-11 11:14:19 -07:00

7 lines
124 B
CoffeeScript

mean = (array) ->
return 0 if array.length is 0
sum = array.reduce (s,i,0) -> s += i
sum / array.length
alert mean [1]