How important is RXjs and observables in Angular?

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  • RxJS

    A reactive programming library for JavaScript

  • To be honest I got so used of using observables and rxjs in Angular that I'm seeing the lack of it as a minus in other frameworks/libraries. You can do it without but once tou get the hang of it it's pretty easy to seamlessly glue components/services together. I like this site https://rxjs.dev as it shows a graphic representation of observables and operators.

  • components

    Component infrastructure and Material Design components for Angular

  • So much so that Angular's official docs have an entire section devoted to RxJS and responsive programming. See also the entire comparison section which shows you how to accomplish common objectives with Observables. From the introduction: "Observables behave somewhat differently from the alternative techniques in each of these situations, but offer some significant advantages. Here are detailed comparisons of the differences." The Angular Material component library, which shows an official implementation of Angular logic uses them extensively. Opening a Mat-Dialog? You're getting an observable back with which to handle the user's input. Have a look at the Material component code and tell me they're not heavily dependent on RxJS.

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    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

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