message: vuejs
  --  added init vueValuesHash if loading survey by id;
diff: +import * as Vue from 'vue'
  import {SurveyModel} from "../survey";
  import {surveyCss} from "../defaultCss/cssstandard"
  @@ -14,6 +15,7 @@ export class VueSurveyModel extends SurveyModel {
  }
  }
  protected onLoadSurveyFromService() {
  + this.getAllQuestions().forEach(question => Vue.set(this.vueValuesHash, question.name, undefined));
  this.render();
  }
  protected onLoadingSurveyFromService() {
  @@ -38,5 +40,4 @@ export class VueSurveyModel extends SurveyModel {
  super.setValue(name, newValue);
  this.vueValuesHash[name] = newValue;
  }
  -
  }
  \ No newline at end of file
  