So siehts ganz gut aus !

node_modules/core-js/modules/es6.array.for-each.js

@@ -0,0 +1,11 @@
+'use strict';
+var $export = require('./_export');
+var $forEach = require('./_array-methods')(0);
+var STRICT = require('./_strict-method')([].forEach, true);
+
+$export($export.P + $export.F * !STRICT, 'Array', {
+  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
+  forEach: function forEach(callbackfn /* , thisArg */) {
+    return $forEach(this, callbackfn, arguments[1]);
+  }
+});