fixes #232, handling of arguments

lib/runtime/dart/js.js

 dart_library.library('dart/js', null, /* Imports */[
   "dart_runtime/dart",
   'dart/_foreign_helper',
   'dart/core',
   'dart/collection',
   'dart/typed_data',
   'dart/_js_helper'
 ], /* Lazy imports */[
 ], function(exports, dart, _foreign_helper, core, collection, typed_data, _js_helper) {
   'use strict';
   let dartx = dart.dartx;
   dart.defineLazyProperties(exports, {
     get context() {
       return _wrapToDart(self);
     }
   });
   function _convertDartFunction(f, opts) {
     let captureThis = opts && 'captureThis' in opts ? opts.captureThis : false;
     return function(_call, f, captureThis) {
       return function() {
-        return _call(f, captureThis, this, Array.prototype.slice.apply(arguments$));
+        return _call(f, captureThis, this, Array.prototype.slice.apply(arguments));
       };
     }(_foreign_helper.DART_CLOSURE_TO_JS(_callDartFunction), f, captureThis);
   }
   dart.fn(_convertDartFunction, dart.dynamic, [core.Function], {captureThis: core.bool});
   function _callDartFunction(callback, captureThis, self, arguments$) {
     if (dart.notNull(captureThis)) {
       let _ = [self];
       _[dartx.addAll](arguments$);
       arguments$ = _;
     }
@@ skipping 411 matching lines @@
     let __CastType0 = dart.typedef('__CastType0', () => dart.functionType(dart.dynamic, [E]));
     return __CastType0;
   });
   let __CastType0 = __CastType0$();
   // Exports:
   exports.JsObject = JsObject;
   exports.JsFunction = JsFunction;
   exports.JsArray$ = JsArray$;
   exports.JsArray = JsArray;
 });