Promises vs Observables for AngularJS-to-Angular migration
_AngularJS(Angular 1) was using Promises heavily for HTTP calls, while Angular has network calls wrapped in Observables. This caused that some devs met specific issues while migrating projects from AngularJS to Angular. I want to address these issues here and describe why they can appear at all by reviewing typical differences between Observables and Promises_.
Tags: javascript, rxjs, webdev, angular