Recipebook Angular dart应用程序无法在firefox 28.0（Mac OSx）中运行，应用程序在chrome和safari上正常运行。
堆栈跟踪（调试模式）：
"listen ignoreClick=false" main.dart.js:36580
"NoSuchMethodError : method not found: 'Symbol("onHashChange")'
Receiver: Instance of 'UnknownJavaScriptObject'
Arguments: []
STACKTRACE:
.wrapException<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:2687
.Interceptor.noSuchMethod$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:380
.Object.get$onHashChange@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:28458
.Router.listen$2$appRoot$ignoreClick<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:39777
.Router.listen$2$appRoot$ignoreClick<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:39788
.NgRoutingHelper.NgRoutingHelper$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15478
.NgRoutingHelper.static.NgRoutingHelper$<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15485
.JsMethodMirror._invoke$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18740
.JsClassMirror._getInvokedInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18384
.JsClassMirror.newInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18387
.JsClassMirror.newInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18389
.DynamicInjector.newInstanceOf$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36897
._TypeProvider.get$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36863
.Injector__getInstanceByType_closure.call$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36759
._defaultCreationStrategy<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36604
.Injector._getInstanceByType$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36687
.Injector._getInstanceByType$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36682
.Injector.get$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36710
.NgViewDirective.static.NgViewDirective$<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15252
.JsMethodMirror._invoke$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18740
.JsClassMirror._getInvokedInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18384
.JsClassMirror.newInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18387
.JsClassMirror.newInstance$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:18389
.DynamicInjector.newInstanceOf$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36897
._TypeProvider.get$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36863
.Injector__getInstanceByType_closure.call$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36759
._defaultCreationStrategy<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36604
.Injector._getInstanceByType$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36687
.Injector.get$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:36710
.BlockFactory__instantiateDirectives_closure3.call$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:7219
.IterableMixinWorkaround_forEach<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15864
.JSArray.forEach$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:542
J.forEach$1$ax@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:40778
.BlockFactory._instantiateDirectives$5<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:7038
.BlockFactory._link$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6973
.BlockFactory._link$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6975
.BlockFactory._link$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6975
.BlockFactory.call$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6941
.BlockFactory.call$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6946
.BoundBlockFactory.blockFactory$1@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6913
.BoundBlockFactory.call$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6922
._Case.blockFactory$1@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:14424
.NgSwitchDirective_value_closure0.call$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:14406
.IterableMixinWorkaround_forEach<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15864
.JSArray.forEach$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:542
J.forEach$1$ax@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:40778
.NgSwitchDirective.set$value<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:14367
.CachedInvocation.invokeOn$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:3759
.JsInstanceMirror._invoke$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:17934
.JsInstanceMirror.setField$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:17938
.AccessReflective._eval_access$_assign$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:10506
.AccessScope.assign$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:10332
J.assign$2$x@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:40721
.DynamicExpression.assign$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:9665
J.assign$2$x@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:40721
.Compiler_createMappings___closure2.call$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:7764
.relaxFnArgs3_closure0.call$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:15680
._Watch.fn$3@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6432
.Scope._digestHandleDirty$5<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:5838
.Scope._digestComputeLastDirty$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:5801
.Scope._digestWhileDirtyLoop$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:5738
.Scope.$$digest$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:5724
.Scope._autoDigestOnTurnDone$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:5569
anonymous/<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:2935
._rootRun<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:19282
._ZoneDelegate.run$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:21603
.NgZone._finishTurn$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6572
.NgZone._onRunBase$4<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6544
.NgZone._onRunUnary$5<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:6551
anonymous/<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:2947
._ZoneDelegate.runUnary$3<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:21610
._CustomizedZone.runUnary$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:21792
._BaseZone.runUnaryGuarded$2<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:21692
._BaseZone_bindUnaryCallback_closure.call$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:21749
.invokeClosure_closure0.call$0<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:3995
._IsolateContext.eval$1<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:1705
._callInIsolate<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:1486
.invokeClosure<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:2828
.convertDartClosureToJS</$function</<@http://localhost:63342/RecipeBookAngularDart/build/main.dart.js:2845
"
修改：
如果我包含shadow DOM的调试版本而不是min version
，那么App工作正常<script src="packages/shadow_dom/shadow_dom.debug.js"></script>