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angularasynchronousbehaviorsubjectangular4-httpclient
theMobDog
theMobDog

Reputation: 1389

Angular 4, difference between httpClient and HttpClientModule

In this article here and others :It looks like you need to import HttpClientModule in app.module.ts and HttpClient in app.component.ts to make a http request. Why? How do they work?

Upvotes: 7

Views: 3079

Answers (1)

Sahil Purav
Sahil Purav

Reputation: 1354

In simple words,

You can call HttpClientModule as a "feature-bundle" that comes as a core part in Angular. In this "feature-bundle", you have many other small features like HttpClient (in Angular language, it's "service"), Interceptors etc.

In order for you to use these "feature(s)", you need to import the "feature-bundle" inside your main module (in your case, Angular's AppModule) so that, you have access to HttpClient and many other services inside your working component.

One liner:

HttpClient is a angular service bundled inside HttpClientModule.

Upvotes: 16

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