Angular vs React : A Complete Comparison Guide {2021)

Girdhar Gopal Singh  Print   7 min read  
22 Mar 2021


Many times, one gets confused between Angular and React. The following article describes each of them, their usefulness, and their differences. So, let’s go through the following sections:

Topics covered:

  • What is Angular?
  • What is React?
  • Features of Angular
  • Features of React
  • Usefulness of Angular
  • Usefulness of React
  • Differences between Angular and React
  • Benefits of Angular
  • Benefits of React

What is Angular?

Angular is an open-source JavaScript framework useful for mobile and web applications. This framework is TypeScript-based and handled by the Angular developer community and Google’s Angular Team. Founded in 2016, Angular 2.0 is a total rewrite of AngularJS (version 1.0). By now, there are 6 versions of Angular. When it comes to the development of dynamic web apps, Angular comes into the picture. It lets developers use HTML in form of a template language. Besides, it enables HTML's syntax to articulate the application's components clearly and concisely. There is also support for the (MVC) programming configuration.

Angular can use TypeScript or JavaScript, known as a superset of JS developed purposely for bigger projects. It s found that TypeScript is more compact compared to JavaScript. It is easy to detect typos and the code is easy to navigate. When you choose one of the best Angular training courses, you can master this framework.

What is React JS? 

React is a JavaScript library created for UI development. Introduced in 2013, it is managed by Facebook as well as an open-source team of developers. When you want to create interactive user interfaces, you must use React JS. Its working mechanism uses server-side rendering to offer flexible solutions intended on performance. The JavaScript ES6+ in combination with JSX script makes the operation efficient. The React JS training imparts the candidates with all cutting-edge features he/she needs to learn.

Features of Angular: 

  • Consistent with contemporary technology
  • Comes with support for AJAX, HTTP, and Observables 
  • Typescript provides efficiency
  • Clean Coding
  • Flawless updates using Angular CLI
  • Component CSS encapsulation
  • Supports forms and validation
  • Shadow DOM / local CSS 
  • UI and Business Logic Separation
  • Includes class-based components with lifecycle hooks
  • Offers XSS protection 
  • Improved support for error handling
  • Huge community support 
  • Supports code splitting and lazy loading

Features of React: 

  • Allows use of third party libraries
  • Easy to use, time-saving, and composable 
  • Intuitive user experience and quick performance. 
  • Quick Development
  • Great code Stability through One-directional data binding 
  • Supports class-based components with lifecycle hooks or easier functional components 
  • State management via setState and hooks. 
  • Offers XSS protection 
  • Supports code splitting and lazy loading 
  • Includes utilities for unit-testing components

The usefulness of Angular:

The angular framework provides to be an ideal choice for your software or app under various cases. You can use it when you need ready-to-use solutions and demand a boost in productivity. For developing large-scale applications enriched with features, it is recommended to use Angular. The app complexity is low to medium level; hence, it is easy to use. Also, Angular proves versatile when the development team is expert at using the programming languages like Java and C#.

The usefulness of React:

When you require an app with multiple events, you can use the React JS framework. Generally, the software development team possessing expertise in CSS, HTML, and JavaScript widely uses this framework. When there is a need for a personalized app solution, go for React. Also, it is quite useful to develop shareable components in an application.

Now let’s discuss their differences:

Differences between Angular and React:

  • Angular is a structural framework for the creation of dynamic web apps but React is a Javascript library allowing the creation of UI components.
  • Angular uses Typescript whereas React uses Javascript.
  • The working of Angular depends on MVC (Model View Controller) but that of React is dependent on Virtual DOM.
  • AngularJS does not support the addition of a javascript library to the source code but React lets you add a javascript library within the source code.
  • With a single tool, AngularJS lets you test and debug for a whole project. But React needs a suite of tools to accomplish various types of testing.
  • React is a framework designed for UI development. Therefore, apps written with React require the use of additional libraries. On the other hand, Angular is a feature-rich framework for software development. Typically, it does not need additional libraries.
  • The performance of React improves with the use of the virtual DOM. For dynamic and complex web apps, the Angular performance is not so good. With the introduction of bidirectional data-binding, there is a severe impact on the performance of Angular apps.
  • Angular is best for mobile and web development whereas React is more suitable for web applications.

Benefits of Angular:

High performance:

Angular comes with hierarchical dependency injection. It is quite better than AngularJS since the classes are not dependent on one another. 

Clean code:

This front-end development framework uses TypeScript programming language. It compiles JavaScript and streamlines the process of detecting and discarding the common concerns faced when you type the code.

Excellent error handling:

Its latest version i.e. Angular 7 provides features like an advanced error handling process. It is useful for @Output in cases where a property is not initialized. 

Benefits of React:

Quick Development and testing:

React enables the developers to reuse the prevailing code. It lets them apply reloading in the process. The approach enhances the app performance as well as quickens the development process. There is the use of Redux to eliminate the trouble of storing and managing component states in complex, large-sized applications with huge dynamic elements.

Enhanced user experience:

Contrasting other JavaScript frameworks, there is the use of Virtual DOM in React. It is the abstract version of the Real DOM. So, the React app developers find it easy to update modifications made by the users. There will be no impact on the other portions of the interface.

Efficient for developers:

The components are distinct. Any change in one component does not influence the other one. It becomes easy to manage the updates. Consequently, the React app development turns simpler, quicker, and efficient for the developers.

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