Angular vs React.js: Which Front-end Framework is Better for Web Development?

Dinesh Rawat
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February 14, 2024
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4 min
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What is React?

React is a popular front-end JavaScript library that allows developers to create user interfaces using reusable UI components. It utilizes server-side rendering to provide a flexible and high-performance solution. With React, developers can easily create seamless user experiences and intricate user interfaces.

To get started with React, you can use the following code snippet:


import React from 'react';
import ReactDOM from 'react-dom';

function App() {
  return (
    

Hello, World!

); } ReactDOM.render(, document.getElementById('root'));

React follows the "Learn Once, Write Anywhere" principle, making it the preferred choice for developers looking to build fast and scalable applications. In addition to JavaScript, React can also be used with JSX.

Developed by Facebook, React is maintained by Facebook communities and individual developers. It is widely used in the industry for its ability to create high-performance and scalable applications.

Consider utilizing React frontend development services to ensure a top-notch UI/UX experience for your users.

What does React have over Angular?

React and Angular are both popular front-end JavaScript frameworks, but they have some key differences. Here are some points where React has an advantage over Angular:

  1. JSX Advantage: React uses JSX, a syntax extension for JavaScript that allows developers to write HTML-like code within their JavaScript code. This makes it easier to understand and write the structure of the UI. On the other hand, Angular uses TypeScript, which is a superset of JavaScript. While TypeScript can be used to write HTML-like code, it is not as straightforward as JSX.
  2. Building Blocks Flexibility: React allows developers to create their own custom building blocks, known as components. These components can be easily reused and combined to create complex UIs. In Angular, components are also used to build the UI, but they are more rigid and less flexible than React components.
  3. Isomorphic JavaScript: React supports server-side rendering, which means that the initial rendering of the page can be done on the server. This can improve the performance and SEO of the application. Angular also supports server-side rendering, but it is not as straightforward as in React.
  4. Single Data Binding: React uses a one-way data binding system, where changes in the data model automatically propagate to the UI. This makes it easier to keep the UI in sync with the data model. In Angular, the two-way data binding system can lead to confusion and complexity.

Advantages of React JS

React JS is a popular front-end JavaScript library that offers several advantages for building user interfaces. Here are some of the key benefits of using React JS:

  1. Reusable Components: React JS allows developers to create reusable UI components, which can be combined to create complex user interfaces. This modular approach makes it easier to maintain and scale applications.
  2. Easy Debugging: React JS has a simple and straightforward design, making it easy to debug and identify issues. The library also provides detailed error messages, which can help developers quickly resolve problems.
  3. Easy to Learn: React JS is relatively easy to learn, especially for developers with a basic understanding of JavaScript. The library's syntax is simple and intuitive, and there are plenty of resources available for learning and mastering React JS.
  4. Migration: React JS allows developers to migrate an app easily. It provides a clear path to migrate from older versions to newer versions, ensuring code stability and better continuous app performance.
  5. Cross-Platform Support: React JS supports both Android and iOS platforms, making it a versatile choice for building mobile and web applications.
  6. View-Oriented: React JS is a view-oriented library, which means it focuses on rendering and updating the user interface. This makes it an excellent choice for building high-performance and scalable applications.
  7. Faster Updates: React JS supports both server-side and front-end rendering, which makes it easier to update the user interface quickly. It also has a virtual DOM, which optimizes rendering and reduces the time required to update the UI.
  8. React Native: React JS supports a React Native library that offers efficient performance for building mobile applications. React Native allows developers to build cross-platform mobile apps using JavaScript and React.

What is Angular?

Angular is a popular open-source JavaScript front-end framework developed and maintained by Google's Angular team. It is a complete rewrite of AngularJS (Angular 1.0) and is widely used for building scalable and high-performing mobile and web applications using HTML, CSS, and TypeScript. At Shorter Loop, we have built out application in Angular.

One of the key features of Angular is its use of the MVC (Model View Controller) technique, which divides the work into logical pieces and speeds up the initial webpage loading time. This makes it an excellent choice for building complex and data-driven applications.

Here's a simple example of an Angular component:


import { Component } from '@angular/core';

@Component({
  selector: 'app-example',
  template: `
    

{{ message }}

` }) export class ExampleComponent { message = 'Hello, world!'; }

What does Angular have over React?

  1. TypeScript: Angular is built using TypeScript, a statically typed superset of JavaScript, which can help catch errors during development and provide better tooling support. React, on the other hand, is typically used with JavaScript or optionally with TypeScript.
  2. Opinionated Structure: Angular has a more opinionated structure with a clear separation of concerns between components, services, and other features. This can make it easier to organize and scale large applications. React, on the other hand, is more flexible and allows for a wider range of implementation styles.
  3. MVC Model: Angular uses the Model-View-Controller (MVC) architecture, which provides a clear separation of concerns between the application's data, logic, and presentation layers. This makes it easier to develop and maintain complex applications.
  4. Dependency Injection: Angular has built-in dependency injection, which makes it easier to manage dependencies and write modular code. This also helps to improve testability and maintainability.
  5. Reusable Components: Angular allows developers to create reusable components using directives, which can help improve code reuse and maintainability.
  6. Out-of-the-box Full Stack Framework: Angular is a full-fledged structural framework that includes everything you need to build a complete web application, including routing, forms, and state management. This can save developers time and effort compared to React, which requires additional libraries and tools to be installed and configured.
  7. Two-way Data Binding: Angular has built-in two-way data binding, which automatically updates the UI when the data model changes and vice versa. This makes it easier to keep the UI in sync with the data model and reduces the amount of boilerplate code required.
  8. Amazing App Structure: Angular provides a well-defined app structure that makes it easier to organize and maintain large codebases. This includes features like modules, components, services, and directives, which help to promote code reuse and separation of concerns.
  9. Stronger Community Support: Angular has a strong community of developers and a wealth of resources available, including official documentation, tutorials, and third-party libraries. React also has a large community, but Angular's community may be more cohesive due to its more opinionated nature.
  10. Long-term Support: Angular offers long-term support (LTS) releases, which provide a stable and supported version of the framework for a longer period of time. React, on the other hand, does not offer LTS releases and instead provides regular updates with new features and bug fixes.
  11. Internationalization (i18n): One more advantage of Angular over React is its built-in support for internationalization (i18n). Angular provides a built-in i18n module that makes it easy to translate and localize applications for different languages and regions. This can save developers time and effort compared to implementing internationalization in React, which typically requires additional libraries and configuration.
  12. Unit Testing: Angular provides a built-in testing framework and tools (Jasmine and Karma), which can help improve test coverage and maintainability.
  13. Angular CLI: Angular includes a command-line interface (CLI) tool that can help automate tasks like creating components, services, and other features. This can save developers time and effort compared to manual setup and configuration.

Difference Between Angular and React JS

DifferenceAngularReact
Developed ByGoogleFacebook
Release Year2010 (AngularJS), 2016 (Angular)2013
Written InTypeScriptJavaScript (with optional TypeScript support)
Technology TypeMVC FrameworkLibrary
ConceptComponent-based architecture with built-in features like routing, forms, and internationalizationComponent-based architecture with a focus on UI rendering
Data BindingTwo-way data binding with change detectionOne-way data binding with virtual DOM
LanguageTypeScriptJavaScript (with optional TypeScript support)
Learning CurveSteeper learning curve due to opinionated structure and built-in featuresMore flexible and easier to learn, but requires more configuration and third-party libraries
UI RenderingServer-side rendering with Angular UniversalClient-side rendering with virtual DOM
Best Suited ForLarge-scale, complex applications with a need for built-in features and a more opinionated structureSmaller-scale applications or projects with simpler requirements, or projects that require more flexibility and customization
App StructureOpinionated structure with clear separation of concerns between components, services, and other featuresMore flexible structure with a focus on UI rendering
Dependency InjectionBuilt-in dependency injectionRequires third-party libraries
PerformanceGood performance due to change detection and server-side renderingGood performance due to virtual DOM
DOM TypeReal DOMVirtual DOM
Popular AppsGoogle, Microsoft, Forbes, Upwork, Shorter Loop and moreFacebook, Instagram, Airbnb, Dropbox, and more
Additional FeaturesBuilt-in testing framework and tools, Angular CLI for automating tasksJSX syntax for writing HTML-like code in JavaScript, more flexible and customizable
Community SizeLarge and active community with extensive documentation and resourcesLarge and active community with extensive documentation and resources
Learning ResourcesOfficial documentation, tutorials, and courses from Google and other providersOfficial documentation, tutorials, and courses from Facebook and other providers
LicensingOpen source under MIT licenseOpen source under MIT license
Updates and MaintenanceRegular updates and maintenance by GoogleRegular updates and maintenance by Facebook
CustomizabilityLess customizable due to opinionated structure and built-in featuresMore customizable due to flexibility and third-party libraries
Integration with BackendSeamless integration with backend technologies like Node.js and .NETRequires additional configuration and third-party libraries for backend integration
Mobile App DevelopmentAngular has limited support for mobile app developmentReact Native provides support for cross-platform mobile app development

React JS vs Angular: When to Choose What?

  1. React JS is a better choice for smaller projects or projects with simpler requirements, while Angular is better suited for larger, more complex applications.
  2. React JS is more flexible and customizable, while Angular has a more opinionated structure with built-in features.
  3. React JS requires more configuration and third-party libraries, while Angular has more built-in features and tools.
  4. React JS is a library focused on UI rendering, while Angular is a full-fledged MVC framework.
  5. React JS uses one-way data binding with virtual DOM, while Angular uses two-way data binding with change detection.
  6. React JS has a more straightforward learning curve, while Angular has a steeper learning curve due to its opinionated structure and built-in features.
  7. React JS is better suited for projects that require more customizability and flexibility, while Angular is better suited for projects that require more built-in features and a more structured approach.
  8. React JS is a good choice for projects that require server-side rendering, while Angular also supports server-side rendering with Angular Universal.
  9. React JS has a larger community and more third-party libraries, while Angular has a strong community and extensive documentation and resources.
  10. React JS is a good choice for projects that require cross-platform mobile app development with React Native, while Angular has limited support for mobile app development.

Angular or React - Which is Better?

The choice between Angular and React depends on the specific needs and goals of the project. Both frameworks have their own strengths and weaknesses, and it's up to the developer to choose the one that best fits their project requirements.

Angular is a more opinionated and structured framework that provides a complete solution for building full-stack web applications. It includes many built-in features such as routing, forms, and internationalization, which can help reduce the amount of third-party libraries needed. Angular also has a more opinionated structure with a clear separation of concerns between components, services, and other features, which can make it easier to organize and scale large applications.

React, on the other hand, is a more flexible and customizable library that focuses on UI rendering. It requires more configuration and third-party libraries, but it provides more flexibility and customizability. React also has a more straightforward learning curve compared to Angular's steeper learning curve, making it a better choice for smaller projects or projects with simpler requirements.

In terms of performance, both frameworks have their own strengths and weaknesses. Angular has better support and performance for server-side rendering, while React JS has better support and performance for real-time updates or high-frequency updates due to its virtual DOM.

In terms of community and support, both frameworks have large and active communities with extensive documentation and resources. However, React JS has a larger community and more third-party libraries, while Angular has a more structured and opinionated approach with built-in features and tools.

In summary, Angular is a better choice for larger, more complex applications with a need for built-in features and a more opinionated structure, while React JS is a better choice for smaller projects or projects with simpler requirements that require more flexibility and customizability. Ultimately, the choice between the two depends on the specific needs and goals of the project.

Here's a simple example of an Angular component:


import { Component } from '@angular/core';

@Component({
  selector: 'app-example',
  template: `
    

{{ message }}

` }) export class ExampleComponent { message = 'Hello, Angular!'; }

And here's a simple example of a React component:


import React from 'react';

const ExampleComponent = () => {
  return (
    

Hello, React!

); }; export default ExampleComponent;

Both components display a simple message, but the Angular component uses TypeScript and the @Component decorator to define the component, while the React component uses JavaScript and the React.createElement function (or JSX syntax) to define the component. The choice between the two depends on the specific needs and goals of the project.