A string prototype that returns an array of char codes for the given string.

charCodes.coffee

String::charCodes = ->
  @split("").reduce (previousValue, currentValue, index, array) ->
    array[index] = currentValue.charCodeAt 0
    array
  , 0

charCodes.js

String.prototype.charCodes = function() {
  return this.split('').reduce(function (previousValue, currentValue, index, array) {
    array[index] = currentValue.charCodeAt(0);
      return array;
    },0);
};