Observable:

  1. Emits multiple values over a period of time
  2. Is not called until we subscribe to the Observable
  3. Can be canceled by using the unsubscribe() method
  4. Provides the map, forEach, filter, reduce, retry, and retryWhen operators

Promise:

  1. Emits only a single value at a time
  2. Calls the services without .then and .catch
  3. Cannot be canceled
  4. Does not provide any operators

1 Comment

Kumar · 16th August 2019 at 12:42 pm

nice explain nation

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