How ReactJS Is Overiding Angular Js In Market



Difference Between ReactJS & AngularJS:


The ReactJS library is for building user interfaces while AngularJS is a web application development framework. That said, AngularJS 1.x is quite different from AngularJS 2.x and the latter will not be released until the end of 2016.


ReactJS & AngularJS:

A Framework vs A Set Of Libraries:


AngularJS is a web application development framework that offers many out of the box solutions.  Many functional designing decisions are actually determined by the framework. When starting on a new project, using AngularJS, will not be a walk in the park. If you spend time working with it, you will discover what properties are in place and where everything fits.

You might sometimes find yourself fighting with the framework instead of dealing with the actual project. If something is not going right and the framework is not designed for what you need, you will spend some time trying to figure it out. AngularJS does offer a huge community of users with useful tips and extensions.

ReactJS is a solution for many components with many single purpose tools and ReactJS is just one building block. You are at liberty to use only the components or tools you need for an application. You will be able to build a light-weight, high-performance, quick-fix that will address exactly what you need.
There are some disadvantages working with ReactJS. You have to spend some time finding the correct library for your project and how to integrate it with other libraries. You will discover that libraries are written by different developers and may comprise of different practices and thoughts.
As someone new to the platform, you will have many questions that do not always have obvious answers. With hands-on experience you will learn your way around and things will get easier.  AngularJS and ReactJS offer different approaches for building applications and neither one is better than the other. Depending on the application and system requirements, you will probably go from one to the other.  If you are using AngularJS, your project is going to be the core framework for a front-end application. ReactJS should be used to enhance different aspects of the application. You can use ReactJS for a single page on a website or integrate it with other frameworks such as AngularJS or Backbone.


Rendering:


One difference between ReactJS and AngularJS; ReactJS places HTML into JavaScript while AngularJS places JavaScript into HTML. AngularJS seems the easier approach and many developers believe that it's bad practice to place HTML into JavaScript.

The best solution for this problem is to generate HTML and component trees directly from JavaScript code to implement the total power of real programming language to build UI. The ReactJS team has added a simple optional HTML-like syntax in order to create React tree nodes.
Without JSX, you probably should put your money on AngularJS. But, JSX will help build a more readable UI component code, making everything a great deal easier.
Another difference between ReactJS and AngularJS is the binding tool. ReactJS has always had a one-way binding tool while AngularJS has a two-way binding tool. Even though the two-way binding tool was popular with developers, with AngularJS 2.x it's been dropped. AngularJS 2.x now has a one-way binding tool but it's completely different from ReactJS. It offers a much wider ability in AngularJS 2.x than in ReactJS. In ReactJS, the one-way rendering flow is extremely straight forward, fast and easy to understand.

Angular JS 2.x will include a new change detection based on change detector classes generated in run-time and are claiming to be faster. ReactJS change detection is based on 
Virtual DOM, meaning, ReactJS takes the DOM to a new state with the previous state and renders the difference.  It's much easier to understand along with debug add-ons. Even though AngularJS 2.x  has better performance, ReactJS will remain simpler and better to use.

IDE Tools:


Newer AngularJS development does not require anything special. You can use your favorite IDE with JavaScript support without issues. You will probably need to use ES5 for AngularJS 1.x and TypeScript for Angular JS 2.x while managing templates in HTML files for both.

With ReactJS, you can see code written in ES5, ES6 or even TypeScript and you’ll probably have to write JSX.  This can cause some problems with your decisions such as what scripting language you should use and IDE support. To date, the best IDE support is WebStorm. If this choice is not an option, try Microsoft Visual Studio, ES5 and TypeScript. Install an extension that translates JSX into ES5 JavaScript first. If you decide to use ES6, it will be more work and you will have to use an editor like Atom along with Microsoft Visual Studio.

To sum it all up, it's possible to build a working development environment for all these options.  It will take some effort and work to make it happen. There are going to be changes this year as many IDE vendors are working on ES6 support along with Microsoft Visual Code which is coming soon.
AngularJS is still used by Google in some projects but is not considered crucial. ReactJS was developed by Facebook for their own purposes and plays an important role in the company.  Expect an improved smoother environment with ReactJS library. The ReactJS development ecosystem offers everything you need to develop full-featured web applications, plus isomorphic rendering and a high level of performance.

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