By converting the observab… Promises and callback functions are building blocks for writing asynchronous code in JavaScript. Currently working as Assist. Last updated on August 12, 2019 Jolly.exe. ... Parse HTTP response in Angular 7? In our next example, we will have the following use case: We need to retrieve a character from the Star Wars API. subscribe((data) ⇒ console.log(data)) } } Let us understand the code highlighted above. We will cover how to do HTTP in Angular in general. We can still use async-await for other promise based logic though. Performing multiple HTTP requests in Angular with forkJoin, 'forkJoin' is the easiest way, when you need to wait for multiple HTTP requests to be resolved. As a prerequisite, you need to have Angular CLI v10 installed on your development machine. found this question many times. Waiting for an observable to finish, Query you back-end and when we've got what we need push it to a Subject riskSubject = new and then subscribe to subject and wait until you get what you need and start validating source: angular-university.io. Cast angular http response into class.