One of the questions that often get into mind, is React or Angular?

Main Diffrence

Well, both React and Angular are similar in terms of component based architecture, however, Angular is a framework or a complete solution, while React is a library. It only takes care of rendering the view, and making sure the view is in sync with the state. That's all React does, nothing less, nothing more. For this very reason, React has a very small API to learn. So when building applications with React, we need to use other libraries or things like routing, or calling http services and so on. But theses not necessarily a bad thing, because you get to choose the libraries that you prefer, as opposed to being fixed with what Angular gives you, which often breaks from one version to another.
every React application is essentially a tree of components. If you have worked with Angular or higher, this should sound familiar. Here's an example. Let's imagine we want to build an application like Twitter, we can split this page into components like navbar, profile,trends, and feed. Here's a representation of these components in a tree. So at the top we have app and Below that we have a navbar, profile, trend, and feed. Now feed includes several tweet components, each tweet component can include a like component, which we can reuse on other pages, or even in different applications.

Why React ?

React is a JavaScript library for building fast and interactive user interfaces. It was developed at Facebook in 2011, and currently it's the most popular JavaScript library for building user interfaces. As you can see in Google trends, React is dominating the space of libraries and frameworks for building user interfaces.

As you can see in Google trends, React is dominating the space of libraries and frameworks for building user interfaces.The other two players here are Angular and Vue. So, if you want to expand your job opportunities as a front end developer, you should have React on your resume. At the heart of all React Operations are components, a component is essentially a piece of a user interface. So when building applications with React, we build a bunch of independent, isolated, and reusable components, and then compose them to build complex user interfaces.

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