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withInMemoryScrolling
function  developer preview 
Enables customizable scrolling behavior for router navigations.
withInMemoryScrolling(options: InMemoryScrollingOptions = {}): InMemoryScrollingFeature
    Parameters
options | 
        InMemoryScrollingOptions | 
        Set of configuration parameters to customize scrolling behavior, see  Optional. Default is   | 
       
Returns
InMemoryScrollingFeature: A set of providers for use with provideRouter.
See also
Usage notes
Basic example of how you can enable scrolling feature:
const appRoutes: Routes = [];
bootstrapApplication(AppComponent,
  {
    providers: [
      provideRouter(appRoutes, withInMemoryScrolling())
    ]
  }
);
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Licensed under the Creative Commons Attribution License 4.0.
 https://v14.angular.io/api/router/withInMemoryScrolling