Web Reference: Oct 19, 2023 Β· In this article, we'll look at making an HTTP request and map the result/response in a local array. This array can be used to display or filter the items as we want. The most important thing here is using Observable. Let's quickly look at Observable first. But with the angular2 release we were introduced to typescript and observables so this answer hopefully covers the basics of handling an asynchronous request with observables. Feb 28, 2022 Β· Angular's HttpClient returns observables from HTTP method calls. For instance, http.get('/api') returns an observable. This provides several advantages over promise-based HTTP APIs: Observables do not mutate the server response (as can occur through chained .then() calls on promises).
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