Waste or Not?

iterate.coffee

class Iterate
  constructor: () ->
    @items = [11, 13, 15, 3]

  iterate1: () ->
    for item in @items
      console.log(item)

  iterate2: () ->
    for item in @items                                                                                                     
      console.log(item)
  
    null

iterate.js

(function() {
  var Iterate;

  Iterate = (function() {
    function Iterate() {
      this.items = [11, 13, 15, 3];
    }

    Iterate.prototype.iterate1 = function() {
      var item, _i, _len, _ref, _results;
      _ref = this.items;
      _results = [];
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        item = _ref[_i];
        _results.push(console.log(item));
      }
      return _results;
    };

    Iterate.prototype.iterate2 = function() {
      var item, _i, _len, _ref;
      _ref = this.items;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        item = _ref[_i];
        console.log(item);
      }
      return null;
    };

    return Iterate;

  })();

}).call(this);