wtf.coffee

fn = () ->
    for i in [0...10]
        callMethod i
    

wtf.js

var fn;

fn = function() {
  var i, _i, _results;
  _results = [];
  for (i = _i = 0; _i < 10; i = ++_i) {
    _results.push(callMethod(i));
  }
  return _results;
};