Overview of HTTPClient in Angular
Learn about the HTTPClient in Angular.
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What is the HTTPClient?
The HTTPClient is a custom service class in Angular accessible from @angular/common/http. The HTTPClient is used to communicate with backend services using HTTP methods such as GET, POST, PUT, PATCH, DELETE, etc. The HTTPClient uses the RxJS library to perform its functions.
What is RxJS?
RxJS is a library used to handle asynchronous requests that return an observable in the process. The observable returned can be subscribed to, allowing it to handle and manipulate the data received. It’s worthy to note that observables can be either cold or hot. An observable is cold when data is created within the ...