从html获取属性并在Angular 2+中用作全局变量的最佳方法

Question

从Angular 2 +中获取属性并在Angular 2 +中用作全局变量的最佳方法是什么？

的index.html

context.Cars.Add(car2);

Answer 1

@Injectable()
class MyGlobalService {
  properties$:Subject = new BehaviorSubject();

  constructor() {
    this.properties.next(window.properties);
  }
}

@NgModule({
  providers: [MyGlobalService],
  ...
 })
 class AppModule()

class MyComponent {
  constructor(private myGlobals:MyGlobalService) {
    myGlobals.properties$.subscribe(val => console.log(val));
  }
}