Hysterical!!!  Thanks for that laugh!!!
On Dec 1, 2011 9:01 AM, "Victor" <vkhomyac...@gmail.com> wrote:

> 1. Declaration with value assignment
> 2. Declare loop variables and cache length inside of for() - this can
> increase performance <http://jsperf.com/caching-array-length/67> -
> caching length outside of for() is slower in almost all results (all
> Firefox and Safari, IE9 and some Chrome results)
> 3. Unnecessary return values
>
> Example can be rewritten as:
>   SelectParser.select_to_array = function(select) {
>     var parser = new SelectParser(), _ref = select.childNodes;
>     for (var _i = 0, _len = _ref.length; _i < _len; _i++) {
>       parser.add_node(_ref[_i]);
>     }
>     return parser.parsed;
>   };
>
> yet another real example:
>
> CoffeeScript (with use of Prototype):
> class Chosen extends AbstractChosen
> ...
>   no_results_clear: ->
>     nr = null
>     nr.remove() while nr = @search_results.down(".no-results")
>
> CoffeeScript translated to JavaScript:
>     Chosen.prototype.no_results_clear = function() {
>       var nr, _results;
>       nr = null;
>       _results = [];
>       while (nr = this.search_results.down(".no-results")) {
>         _results.push(nr.remove());
>       }
>       return _results;
>     };
>
> and pure JavaScript:
> var Chosen = Class.create(AbstractChosen, {
> ...
>   no_results_clear: function() {
>     this.search_results.select(".no-results").invoke("remove");
>   },
> ...
> });
>
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