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Difference Between Angularjs and Reactjs

Girdhar Gopal Singh  Print   6 min read  
05 May 2021
 
Intermediate
202 Views

A business of any size needs to build reliable web-based applications. It is great if these applications are built with a fully functional framework, in the least possible time. When you intend to use Javascript for building an application, the most famous frameworks to consider are AngularJS or ReactJS. Depending on the aspects like performance, user experience, compatibility, expense, and more, these two frameworks prove to be extremely practical for front-end development projects. To know the difference between these two frameworks, let’s first get an overview of each of them:

What is AngularJS?

AngularJS is popular as an open-source JavaScript framework extensively used for building dynamic web applications. Developed in 2009, it is currently maintained by Google. The working of this framework is dependent on JavaScript and HTML. 

Typically, it is used for creating a single-page application. Its functionality can be included into an HTML page using a <script> tag. Moreover, it owns the ability to extend HTML. This is possible with the addition of built-in attributes through the directive and secures data to HTML using Expressions. When you undergo angular training to become an Angular developer, you can learn all the important aspects of AngularJS.

What is ReactJS?

ReactJS is also an open-source JavaScript library widely used for building an interface for applications having a single page. This library focuses just on the view layer of the application. It enables developers to create complex UIs easily from a tiny and distinct piece of code called components. 

ReactJS is composed of two parts –HTML code and HTML document. The first part shows components that you wish to observe in the user interface. The second part is the HTML document in which all your components get rendered. In the course of reactjs certification, you will learn all vital aspects of ReactJS that help you build an app.

Features of AngularJS:

Two-way data-binding: 

AngularJS implements the two-way data binding that automatically synchronizes data between view and model components.

MVC framework: 

MVC (Model View Controller) is a software design pattern extensively used for developing web applications. The entire working of AngularJS is dependent on the MVC patterns. It is found that the MVC Architecture is easy to use, multipurpose, and lively. Moreover, this architecture makes it simple to build a distinct client-side application.

UI based on HTML: 

The user interfaces are built on HTML in AngularJS. Essentially, it is a declarative language possessing short tags and the language is easy to understand. Furthermore, it presents a smooth and ordered interface.

Dependency Injection: 

The incorporated dependency injection systems assist the developers to create, comprehend, and test the apps in a hassle-free manner.

Routing: 

Routing is a prominent aspect of all single-page applications. It refers to the transition from one view to another. Everything is present on a single page. The developers need not redirect the users towards a new page whenever they click on the menu. This feature is helpful when the developers demand the content to load on the same page with changing URL.

Features of ReactJS:

One-way data-binding: 

ReactJS works on the unidirectional data flow alternatively known as one-way data binding. This kind of binding provides you with effective control all through the application. In case the data flow in some other direction, it would need extra features. This is since the components are assumed to be unchallengeable. The data which they store cannot be altered.

Virtual DOM: 

In simpler terms, a virtual DOM object is a demonstration of the true DOM object. In the web application, whenever any changes take place, the whole UI is again rendered within virtual DOM demonstration. Subsequently, it spots the difference between the new DOM and the previous DOM demonstration. After that, the real DOM updates only those things that are modified. Consequently, it lets the application run faster and without any waste of memory.

High performance: 

ReactJS is admired for its superb performance because it deals with a virtual DOM. This kind of DOM prevails completely in the memory. Because of this, whenever you create any component, no need to directly write to DOM. As an alternative, you can write virtual components that transform into DOM. Therefore, the performance will be fast, smooth, and efficient.

Easy to code and understand: 

ReactJS utilizes the JSX file that makes the application easy to code and easy to comprehend. Since ReactJS implements a component-based approach, the code becomes reusable according to your needs. When you aspire to become react js developer, this feature helps a lot as it guarantees ease of learning. The ease of coding facilitates an easy learning path for the developers and lets them dedicate more time to learning other aspects.

AngularJS vs ReactJS: 

To which one is the best library for your project, you need to thoroughly analyze the difference between the two. Let’s know their differences:

When the matter comes to performance, ReactJs is more preferred than AngularJS because it utilizes real DOM. ReactJS operates on a data flow in a single direction. It solves the problem happening due to the sluggish performance of real DOM. ReactJS uses the virtual DOM.

AngularJS is the finest choice for building single-page apps in which the content updates infrequently. ReactJS assists to enhance the performance of any app irrespective of how frequently the content updates and the size of the application.

The IO framework of AngularJS presents a steep learning curve. There are different ways available to resolve the issues. Moreover, it comes with complex component management. You need to be familiar with concepts like templates, pipes, and a decent command of different languages. The ReactJS is easy to learn and it facilitates rapid app development.

One of the greatest benefits of AngularJS is the global community support. It makes the library suitable for businesses of different sizes. On the other hand, ReactJS comes with broader community support on GitHub and GitLab.

Due to the built-in functions of AngularJS, testing is easy and quick. Furthermore, it integrates dependency injection and testing tools for easy testing of the components. ReactJS uses Redux to test applications and it quickly records data changes.

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