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Angular vs React : A Complete Comparison Guide {2022}

Girdhar Gopal Singh

Print 10 min read

22 Jul 2022

Intermediate

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Introduction:

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 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 the 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 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.
Angular has in-built support for various features such as forms, routers, state management, material component whereas React does not have such an in-built package and we need to add respective third-party libraries to use those features.
Angular follows two-way data binding whereas React allows only one-way data binding.

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 the 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.

Support of Angular Material:

Angular Material is a library that allows us to implement the various Material Design elements and Material Design is a design system innovated by Google to enable creating highly responsive and performance-centric user interfaces. A developer can choose Angular Material because it gets easier and faster to incorporate Angular design elements in any of the Angular projects on the go.

Ivy renderer engine:

This new Angular engine Ivy is available and it is super-optimized for bundling the Angular app, loading speed, and loading of dynamic components.

Ivy renderer engines were invented for unparalleled code debugging and a user-friendly app experience It makes the framework even more accessible than before and sets an example by reducing the overall application file size by making the framework a feature-rich platform.

With the release of Angular 9, it has been improved a lot and using Angular 13, the Ivy renderer is available as a default engine and the old view-engine has been deprecated.

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 more efficient for the developers.

Mobile app development:

React is used to develop the web application, but it's not limited to that only, while moving ahead, the team is working extensively on the support/platform for the mobile application development hence, they are come up with React Native to allow developers to make use of React with native IOS and android platform.

Easy to code and learn:

ReactJS is much easier to learn and use than Angular because It comes with extensive documentation which is pretty straightforward to get started with, various online audio, video, and text tutorials, and tons of training resources available.

Any developer who wishes or comes from the JavaScript background then it can be comparatively easy to understand and start creating web apps quickly using React in a short period.

Virtual DOM:

One of the back-bone of React is the virtual DOM, and when we develop an app that has a lot of user interaction and data updates, we have to carefully consider how our app structure is going to be impacted on the web application performance. Even with enterprise platforms and the JavaScript engines, concurrent/repeated DOM manipulation operation can be harmful and result in a disruptive user experience, or sometimes it can worsen, because the DOM is tree-structured, simple changes at the top level can cause the huge burden to the user interface.

Virtual DOM helps to identify the part of the page which needs to be updated and re-render only that section whenever required, by doing it, the web application turns very responsive to the user and overall interactive experience.