So siehts ganz gut aus !

node_modules/es5-ext/iterable/for-each.js

@@ -0,0 +1,12 @@
+"use strict";
+
+var forOf      = require("es6-iterator/for-of")
+  , isIterable = require("es6-iterator/is-iterable")
+  , iterable   = require("./validate")
+
+  , forEach = Array.prototype.forEach;
+
+module.exports = function (target, cb/*, thisArg*/) {
+	if (isIterable(iterable(target))) forOf(target, cb, arguments[2]);
+	else forEach.call(target, cb, arguments[2]);
+};