Which framework should I learn?

TD:DR React and Angular are the big players. Go for React however learn the Angular 1 basics and read up and a play with the other frameworks

This article is a rough opinionated overview of the JS framework. Before diving into a framework do some research to find out which one best suits your needs.

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Angular 1

Angular 1 is an optionated framework that very much in demand professionally, and is worth taking a look at as it uses design patterns such as dependency injection (which will help you make your code decoupled).

Although fairly easy to get started with the learning curve gets more difficult and you have to delve deepr into the source code.

Performance also has issues due to it's dirty checking.

Hybrid mobile frameworks such as Ionic and Cordova use it.

Github stars at time of writing: 53,743

Angular 2

Angular 2 is pretty much a completely new framework and has drawn a lot of influence from React. It uses Typescript and RxJS, so has not got any simpler!

Github stars at time of writing: 18,621

React

React is a game changer and is so hot right now. It is produced and maintained by Facebook. It's a group favourite and is reasonably simple and easy to learn.

It uses components for building UI interfaces (the view layer), for architecture (managing state) we recommend using Redux.

It draws a lot of influence from functional programming.

Professionally it is becoming more and more in demand.

It performs well due to using the Virtual Dom (the Dom in JS memory).

You can also build native mobile apps using React Native or hybrid apps.

Github stars at time of writing: 55,319