built-in pipes. We will discuss one by one in brief. AsyncPipe If data comes in the form of observables, then Async pipe subscribes to an observable and returns the transmitted values. Angular subscribe( (data) => console.log(data) ); Typed Response get() method has an option to return observables, which emits typed response as well. The sample code to get typed response (ExpenseEntry) is as should be admin.  We have not used any backend. Instead, we have simulated a delay of 1s using Observables.  The purpose of the logout method is to invalidate the user and removes the information stored