HTTP Client usage in Angular

In this section, thought to talk about HTTP-Client usage in angular and how its different from existing HTTP Module. It has RxJS Observable-based API. It means that the multiple calls to the HTTP module will return an observable, which we need to subscribe.

Salient Features:-

  • If we don’t subscribe to these observables, it won’t work.
  • If we subscribe multiple times to these observables, multiple HTTP requests will be triggered.
  • If HTTP request is successful, it will emit only one value and then complete
  • If HTTP request fails, then these observables will emit an error.

Continue reading “HTTP Client usage in Angular” »

227 total views, 4 views today