Observables In Angularjs 2


Hello everybody,

today I want to write a few words about totally new feature in AngularJS 2 which is entitled Observables. Observables to some degree feet to promises, but still have some differences. They are mentioned in following table:

Promise Observable
Single feature value Emits multiple values over time
Not lazy Lazy
Not cancelable Cancelable
  supports map, filter, reduc and similar operators

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