Full Stack Developer Course

ReactJS Introduction

What is ReactJS? Features, Uses, Benefits, Full Introduction

Full History of ReactJS (With React Versions History)

React Environment Setup & Working

How Does ReactJS Work?

How to Setup ReactJS Development Environment? Step by Step

ReactJS Directory Structure and Workflow of React App

React JSX

What is ReactJS JSX? Characteristics, Advantages, Disadvantages

ReactJS ES, NPM, and Babel Explained With Examples

What is ReactJS DOM? Virtual DOM, DOM Router, Methods, How to Install?

What is ReactJS Code Splitting? How Does React Code Splitting Work?

What Are ReactJS Lists? Explained in Simple Terms

What Are Keys in ReactJS? What is Key Uniqueness?

ReactJS Rendering Elements: How to Render Element in React?

ReactJS Conditional Rendering Explained With Example

ReactJS Transition Group: react-transition-group With Example

What Are ReactJS Forms? How to Create Forms in ReactJS?

ReactJS API and AJAX Explained in Simple Terms

Refs in ReactJS

What are React Refs? When to & When Not To Use Refs?

How to Create and Add React Refs?

React Components

What are Components & their types in ReactJs

What are Functional Components in ReactJS?

Understanding ReactJS Component Lifecycle

Difference between Functional and Class Components in ReactJs

Difference between React Presentational and Container Components

React Props

What are ReactJS Props?  | Methods as Props

Understanding Different  PropTypes in  ReactJs

Understanding How State work in ReactJS

Implementation of State and Lifecycle in ReactJS

ReactJS Hooks

What Are ReactJS Hooks? Explained

Understanding ReactJs useState Hook

Understanding ReactJs useEffect Hook

Understanding ReactJs Context

ReactJS Routers

Introduction to ReactJs Routers and Routing

Different Types of Routers in ReactJS

Understanding ReactJS Fragments and its uses

ReactJS - Certificate

<h2 dir="ltr">Benefits of ReactJS Tutorial for Beginners</h2>
<p dir="ltr">There are many benefits of this tutorial on ReactJS, including:</p>
<ul>
<li dir="ltr">
<h3>Learning a popular and in-demand technology</h3>
</li>
</ul>
<p dir="ltr">ReactJS is a widely-used technology that is in high demand among employers. Learning it can help you become more employable and increase your job prospects.</p>
<ul>
<li dir="ltr">
<h3>Building a strong foundation&nbsp;</h3>
</li>
</ul>
<p dir="ltr">The ReactJS tutorial can help you build a strong foundation of knowledge and skills in this technology, which can be applied to real-world projects.</p>
<ul>
<li dir="ltr">
<h3>Developing problem-solving skills</h3>
</li>
</ul>
<p dir="ltr">ReactJS is a complex technology that requires critical thinking and problem-solving skills. By working through a tutorial, you can develop these skills and become more proficient in using it.</p>
<ul>
<li dir="ltr">
<h3>Improving coding skills</h3>
</li>
</ul>
<p dir="ltr">ReactJS is a JavaScript library, which means that learning it can help you improve your overall coding skills, including knowledge of JavaScript, HTML, and CSS.</p>
<ul>
<li dir="ltr">
<h3>Access to a structured learning environment</h3>
</li>
</ul>
<p dir="ltr">The React tutorial provides you with a structured learning environment that helps you learn ReactJS in a logical and organized way, with clear explanations and examples.</p>
<ul>
<li dir="ltr">
<h3>Access to helpful resources</h3>
</li>
</ul>
<p dir="ltr">Our ReactJS tutorials include resources such as video sessions, quizzes, and interview questions, which help you gain a deeper understanding of the technology.</p>
<ul>
<li dir="ltr">
<h3>Flexibility and convenience</h3>
</li>
</ul>
<p dir="ltr">The tutorial on React can be accessed from anywhere with an internet connection, making it a flexible and convenient way for beginners to learn.</p>
<h2 dir="ltr">Why learn ReactJS in 2025?</h2>
<ul>
<li dir="ltr">
<h3>Popularity</h3>
</li>
</ul>
<p dir="ltr">ReactJS is one of the most popular and widely-used JavaScript libraries, with a large and active community of developers. As a result, learning ReactJS can open up a wide range of job opportunities and career paths.</p>
<ul>
<li dir="ltr">
<h3>Versatility</h3>
</li>
</ul>
<p dir="ltr">ReactJS can be used for a wide variety of applications, including web development, mobile app development, and even desktop app development. This makes it a versatile technology to learn that can be applied to many different projects and industries.</p>
<ul>
<li dir="ltr">
<h3>Efficiency</h3>
</li>
</ul>
<p dir="ltr">It is designed to be efficient and fast, which makes it an excellent choice for building high-performance applications. This can be particularly beneficial for businesses and organizations that need to deliver fast and responsive applications to their customers.</p>
<ul>
<li dir="ltr">
<h3>Scalability</h3>
</li>
</ul>
<p dir="ltr">ReactJS is scalable, which means that it can be used to build applications of all sizes, from small personal projects to large enterprise applications. This makes it an ideal technology for developers who want to build applications that can grow and evolve over time.</p>
<ul>
<li dir="ltr">
<h3>Modular architecture</h3>
</li>
</ul>
<p dir="ltr">ReactJS uses a modular architecture, which makes it easy to break down large applications into smaller, more manageable components. This can make development faster and more efficient, as developers can work on individual components in isolation.</p>
<h2 dir="ltr">Applications and Uses of ReactJS</h2>
<p dir="ltr">ReactJS is a versatile front-end development tool that can be used for a wide variety of applications.&nbsp;</p>
<ul>
<li dir="ltr">
<h3>Single-page applications (SPAs)</h3>
</li>
</ul>
<p dir="ltr">ReactJS is well-suited for building SPAs, which are web applications that load a single HTML page and dynamically update the content as the user interacts with the application. ReactJS is particularly well-suited for building SPAs that require real-time updates and interactive features.</p>
<ul>
<li dir="ltr">
<h3>Progressive web applications (PWAs)</h3>
</li>
</ul>
<p dir="ltr">ReactJS can be used to build PWAs, which are web applications that have native app-like functionality, such as offline caching, push notifications, and home screen icons. PWAs are becoming increasingly popular as they provide a better user experience and improved performance compared to traditional web applications.</p>
<ul>
<li dir="ltr">
<h3>Mobile applications</h3>
</li>
</ul>
<p dir="ltr">ReactJS can be used to build mobile applications for iOS and Android using tools like React Native. React Native allows developers to build mobile applications using ReactJS syntax, which can significantly reduce development time and costs.</p>
<ul>
<li dir="ltr">
<h3>Enterprise applications</h3>
</li>
</ul>
<p dir="ltr">ReactJS is well-suited for building large, complex enterprise applications, as it supports modular architecture, which allows developers to break down large applications into smaller, more manageable components.</p>
<ul>
<li dir="ltr">
<h3>E-commerce websites</h3>
</li>
</ul>
<p dir="ltr">ReactJS can be used to build e-commerce websites that require real-time updates and interactive features, such as shopping carts, product filters, and recommendations.</p>
<h2 dir="ltr">Learning Fundamentals of ReactJS</h2>
<p dir="ltr">ReactJS is an open-source JavaScript library used for building user interfaces. Developed by Facebook, ReactJS has become one of the most popular front-end development frameworks, known for its speed, efficiency, and scalability.</p>
<p dir="ltr">At its core, ReactJS is designed to simplify the process of building complex user interfaces by breaking them down into smaller, reusable components. These components can be combined to create more complex applications, making development faster, more efficient, and easier to maintain.</p>
<p dir="ltr">One of the key features of ReactJS is its use of a virtual DOM (Document Object Model), which is a lightweight representation of the actual DOM. When changes are made to the virtual DOM, ReactJS efficiently updates only the parts of the actual DOM that have been changed, rather than re-rendering the entire page. This results in faster rendering and a more responsive user experience.</p>
<p dir="ltr">ReactJS also supports server-side rendering, which means that pages can be rendered on the server before being sent to the browser. This can improve performance and make it easier to implement SEO best practices.</p>
<p dir="ltr">ReactJS is often used in conjunction with other front-end development technologies, such as Redux, a state management library, and React Router, a library for handling routing in ReactJS applications.</p>
<h2 dir="ltr">Latest React Tutorial 2025</h2>
<p dir="ltr">With so many resources available online, it can be challenging to find a reliable and up-to-date ReactJS tutorial 2025 that covers all the essential concepts in a simple and easy-to-understand manner.</p>
<p dir="ltr">You might have spent countless hours searching for the right tutorial, only to end up feeling confused and overwhelmed by the vast amount of information available.</p>
<p dir="ltr">Our React tutorial for beginners is the perfect solution for your learning needs. It covers all the concepts from the basics to the advanced level, and it includes syntax, code, program examples, video sessions, quizzes, interview questions, and more.</p>
<h2 dir="ltr">Prerequisites to Learn ReactJS</h2>
<p dir="ltr">Before learning ReactJS, it is recommended to have a strong foundation in web development technologies like HTML, CSS, and JavaScript.</p>
<p dir="ltr"><em><strong>Note</strong>: While these are not strict prerequisites, having a basic understanding of these technologies will help you learn ReactJS more efficiently.</em></p>
<ul>
<li dir="ltr">
<h3>HTML</h3>
</li>
</ul>
<p dir="ltr">Knowledge of HTML is essential for building the structure and layout of web pages. You should be familiar with HTML tags, attributes, and elements.</p>
<ul>
<li dir="ltr">
<h3>CSS</h3>
</li>
</ul>
<p dir="ltr">Understanding CSS is important for styling web pages. You should be familiar with CSS properties, selectors, and media queries.</p>
<ul>
<li dir="ltr">
<h3>JavaScript</h3>
</li>
</ul>
<p dir="ltr">Since React has been built on JS, individuals having its knowledge can easily grasp the concepts. You should be comfortable with JavaScript concepts like variables, data types, functions, objects, and arrays.</p>
<ul>
<li dir="ltr">
<h3>ES6</h3>
</li>
</ul>
<p dir="ltr">ES6 is the latest version of JavaScript, and it introduced several new features like arrow functions, classes, modules, and destructuring. Knowledge of ES6 is important for writing modern ReactJS code.</p>
<ul>
<li dir="ltr">
<h3>Node.js and npm</h3>
</li>
</ul>
<p dir="ltr">Node.js is a server-side JavaScript runtime, and npm is a package manager for Node.js. You will need to install Node.js and npm to work with ReactJS.</p>
<h2 dir="ltr">Practice With ReactJS Quiz</h2>
<p dir="ltr">We have also created several quizzes for you to practice and test your knowledge and skills.</p>
<p dir="ltr"><a href="https://www.tutorialsfreak.com/reactjs-tutorial/quizzes">ReactJS Quiz</a></p>
<h2 dir="ltr">Get Started With ReactJS Tutorial (Learn Step by Step With Examples)</h2>
<p dir="ltr">In addition to learning ReactJS, our tutorial will help you build your career in this field, as ReactJS is widely used in the development of web applications and mobile apps.&nbsp;</p>
<p dir="ltr">This is a ReactJS tutorial from scratch and step by step, so you'll have the necessary knowledge and skills to become a proficient React Developer and land your dream job.</p>
<p dir="ltr">So, whether you're a beginner or an experienced developer, this tutorial is the perfect resource to learn ReactJS and build your career in this exciting field.&nbsp;</p>
<h2 dir="ltr">FAQs Related to ReactJS Tutorial</h2>
<p dir="ltr">Here are some frequently asked questions (FAQs) related to ReactJS:</p>
<h3 dir="ltr">1. What is ReactJS, and what is it used for?</h3>
<p dir="ltr">ReactJS is an open-source JavaScript library used for building user interfaces. It is used to simplify the process of building complex user interfaces by breaking them down into smaller, reusable components.</p>
<h3 dir="ltr">2. What is JSX?</h3>
<p dir="ltr">JSX is a syntax extension used with ReactJS that helps in writing HTML-like code within JavaScript. It simplifies the process of creating user interfaces by allowing developers to write both HTML and JavaScript in the same file.</p>
<h3 dir="ltr">3. What is a component in ReactJS?</h3>
<p dir="ltr">A component in ReactJS is a reusable piece of code that defines a part of a user interface. Components can be combined to create more complex interfaces, and can be easily reused across different parts of an application.</p>
<h3 dir="ltr">4. What is the difference between props and state in ReactJS?</h3>
<p dir="ltr">Props (short for properties) are used to pass data from one component to another, while state is used to manage data within a component. Props are read-only and cannot be modified by the component that receives them, while state can be modified using the setState() method.</p>
<h3 dir="ltr">5. What is Redux, and how is it used with ReactJS?</h3>
<p dir="ltr">Redux is a state management library that can be used with ReactJS to manage the application state. It allows developers to create a global store that holds all of the application's state, and can be easily accessed and modified by any component within the application.</p>
<h3 dir="ltr">6. What is React Native?</h3>
<p dir="ltr">React Native is a framework used to build mobile applications for iOS and Android using ReactJS syntax. It allows developers to build native mobile applications using familiar web development tools and techniques.</p>
<h3 dir="ltr">7. What is a ReactJS tutorial?</h3>
<p dir="ltr">A ReactJS tutorial is a step-by-step guide that teaches how to build web applications using the ReactJS library. It covers the basics of ReactJS, including components, JSX, props, state, and more advanced topics such as Redux, server-side rendering, and testing.</p>
<h3 dir="ltr">8. Who is a ReactJS tutorial for?</h3>
<p dir="ltr">A ReactJS tutorial is intended for anyone who wants to learn how to build web applications using ReactJS. It is particularly useful for beginners who have a basic understanding of HTML, CSS, and JavaScript.</p>
<h3 dir="ltr">9. How long does it take to complete the ReactJS tutorial?</h3>
<p dir="ltr">The length of time it takes to complete our React tutorial depends on your learning pace. Some people may take a few days to complete, while others may take several days or weeks.</p>
<h2 dir="ltr">Career Opportunities in ReactJS</h2>
<p dir="ltr">ReactJS has gained immense popularity and has become one of the most widely used front-end web development frameworks. As a result, there are plenty of career opportunities available for ReactJS developers.&nbsp;</p>
<ul>
<li dir="ltr">
<h3>React Developer</h3>
</li>
</ul>
<p dir="ltr">A React Developer is responsible for developing user-friendly web applications using ReactJS. The role involves writing clean and maintainable code, designing user interfaces, and working closely with the design and back-end teams.</p>
<ul>
<li dir="ltr">
<h3>Front-End Developer</h3>
</li>
</ul>
<p dir="ltr">A Web Developer who is responsible for building the front-end or user-facing side of a website or web app. React is among the most popular front-end web development frameworks, and knowledge of ReactJS is highly valued in this role.</p>
<ul>
<li dir="ltr">
<h3>Full-Stack Developer</h3>
</li>
</ul>
<p dir="ltr">A Web Developer who is responsible for developing both the front-end and back-end of a website or web app. React is often used in conjunction with other back-end frameworks and libraries, making it a valuable skill for Full-Stack Developers.</p>
<h2 dir="ltr">Want to Learn Complete MERN Stack With Live Training?</h2>
<p dir="ltr">MERN stands for MongoDB, ExpressJS, ReactJS, and NodeJS. It makes the complete full-stack development.</p>
<p dir="ltr">If you want to learn it from industry experts, then you can go for the <a href="https://www.wscubetech.com/online-mern-stack-developer-course-india.html">MERN Stack Course</a> by WsCube Tech!</p>
<p dir="ltr">&nbsp;</p>
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<p dir="ltr">Are you looking to learn ReactJS and build a strong foundation in this popular JavaScript library? Look no further! Our comprehensive ReactJS tutorial covers everything from the basics to advanced concepts in a simple and easy-to-understand manner. Whether you're a beginner looking to get started with React or a web developer looking to sharpen your skills, this tutorial has something for everyone.</p>
<p dir="ltr">With our tutorial on React, you'll get access to easy-to-follow syntax, code examples, program demonstrations, video sessions, quizzes, and interview questions, ensuring that you learn ReactJS in a comprehensive and structured way. You'll also get hands-on practice and opportunities to apply your skills with coding exercises.</p>
<p dir="ltr">Our tutorial is specifically designed to cater to beginners, so no prior knowledge of ReactJS is required. However, experienced React Developers can also find useful resources in it to enhance their skills.</p>

ReactJS - Example

ReactJS Tutorial for Beginners (Learn React The Easy Way)

ReactJS Tutorial

ReactJS Quiz Test (Free ReactJS MCQ Online)

Make yourself future-ready in web development by learning ReactJS.

ReactJS Tutorial for Beginners

Introduction to ReactJS

What is ReactJS?

What is React JS? How does React JS Work - Features of React Js

Top Features of ReactJS

Why Use ReactJS?

Pros and Cons of ReactJS

Applications and Uses of ReactJS

Top Companies and Websites Using ReactJS

ReactJS FAQs

<p dir="ltr">ReactJS is everywhere, with companies and brands, big or small, using it to build their websites and web applications. The <a href="https://www.jetbrains.com/lp/devecosystem-2021/" target="_blank" rel="noopener">2021 State of Developer Ecosystem Survey</a> revealed that 49% of developers worldwide rely on and use React. Moreover, Facebook has acquired one of the largest active user bases globally, and the company uses React for its popular social network mobile app.<span id="docs-internal-guid-51c4dd2f-7fff-7776-3d3b-b060ec62c6a8"></span></p>
<p dir="ltr">Whether you are a beginner looking for detailed information on what is ReactJS or just want to brush up on your knowledge of this JS library, this article has everything you need to know.</p>

<?xml encoding="utf-8" ?><p dir="ltr">ReactJS is an open-source JavaScript library built and maintained by Facebook. Since its launch, React has taken the IT industry, especially front-end development, by storm. It is used to create composable user interfaces using declarative code. As stated by Jordan Walke, creator of ReactJS, React is a flexible and efficient JS library capable of rendering front-ends of simple, scalable, and fast web applications.&nbsp;</p><p dir="ltr">It is a component-based framework that supports the creation of the application&rsquo;s view layer. It follows MVC (Model View Controller) architecture, and the view layer is accountable for managing web and mobile apps. It is also a popular choice for building SPA (single-page applications).&nbsp;</p><p dir="ltr">According to a&nbsp;<span id="docs-internal-guid-6bff9f1c-7fff-ec36-9806-f211a05f05e6"><a style="text-decoration-line: none;" href="https://www.statista.com/statistics/1124699/worldwide-developer-survey-most-used-frameworks-web/" target="_blank" rel="noopener"><span style="font-size: 11pt; font-family: Arial; color: #1155cc; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; text-decoration-line: underline; text-decoration-skip-ink: none; vertical-align: baseline; white-space: pre-wrap;">study </span></a></span>by Statista in 2022, React is among the most popular frameworks globally. It is named alongside NodeJS and Angular.&nbsp;</p><p dir="ltr"><img title="What is ReactJS" src="https://d2x0t6n5jvjipg.cloudfront.net/uploads/learning-course/images/lcourses/9895cc91-938c-46cc-ac8b-b34b6ddf0d5a-1683552445." alt="What is ReactJS?" width="512" height="307"></p><p dir="ltr">Today, more than 220,000 live websites, including BBC, Apple, Netflix, and Paypal, use React for software production.</p>


<p>What is React JS? How does React JS Work - Features of React Js</p>

<p dir="ltr">Here are some exclusive features of React that make it one of the most sought-after web technologies worldwide:</p>
<h3 dir="ltr" role="presentation"><strong>1. Virtual DOM</strong></h3>
<p dir="ltr">DOM (Document Object Model) is a crucial part of the web as it executes the code. Generally, the JS framework updates the entire DOM at once, slowing the web application. However, React uses virtual DOM, a lightweight representation of real DOM.&nbsp;</p>
<p dir="ltr">Whenever there is a modification in a web application, VDOM is updated first, finds the difference between real and virtual DOM, and modifies the part with the recent changes while keeping everything else the same.&nbsp;</p>
<p dir="ltr">This saves a significant amount of development time and cost compared to front-end technologies that update every component, even when there is a single change in the web app.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>2. JSX (JavaScript Syntax Extension)</strong></h3>
<p dir="ltr">JSX, a combination of HTML and JavaScript, is a preferred choice for many web developers. It describes the user interface appearance of an app and is used to create React components.&nbsp;</p>
<p dir="ltr">JSX is one of the best ReactJS features as it makes it easier for developers to write building blocks. It is not necessary to use JSX in ReactJS development, but there is a huge difference between writing ReactJS documents in JavaScript and JSX.&nbsp;</p>
<p dir="ltr">The latter is a syntax extension of the former. Using it, one can write HTML structures in the same file that has JS code. Browsers do not support JSX, so Babel compiler transcompile code into JS code.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>3. Extensions</strong></h3>
<p dir="ltr">React supports numerous extensions used for application architecture. It also supports mobile app development, server-side rendering, and Redux. Moreover, it is extended with React Native and Flux, which enable cross-platform apps and seamless UI.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>4. One-way Data Binding</strong></h3>
<p dir="ltr">One-way binding means that React uses unidirectional data flow, i.e., data is transferred in one direction, which is from top to bottom or from parent to child components. The properties in the child component can&rsquo;t return data to parent components but can communicate with the latter to change the state based on provided inputs.&nbsp;</p>
<p dir="ltr">This forces developers to use the callback feature to modify components rather than editing them directly. Also, it allows developers better control over apps and makes them more effective and flexible.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>5. Component-based Architecture</strong></h3>
<p dir="ltr">ReactJS divides the UI of a web page or app into multiple components, with each its own logic written in JS. So the developers can relay the data across the app without impacting the DOM.</p>

<p dir="ltr">ReactJS has become a popular JS framework, and many use it to avail of the amazing benefits of ReactJS. Here are a few reasons why you should use ReactJS.</p>
<h3 dir="ltr" role="presentation"><strong>1. Short Learning Curve</strong></h3>
<p dir="ltr">Compared to other frameworks, ReactJS is easier to learn, which adds to its popularity. It allows developers to complete their projects in record time, and businesses can be up and running asap.&nbsp;</p>
<p dir="ltr">The harder to learn a technology or framework, the more time it takes to begin the development process. And we tend to avoid complicated things. However, as ReactJS is easy to learn, people prefer to use it.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>2. Facilitates Creation of Custom Components</strong></h3>
<p dir="ltr">ReactJS comes with JSX, which is an optional syntax extension to make it possible to write components. They accept HTML quoting and make subcomponents rendering a great experience for developers. Moreover, after creating components, developers can reuse them, which speeds up the development process.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>3. SEO-friendly</strong></h3>
<p dir="ltr">One of the greatest benefits of ReactJS is its SEO-friendliness and its focus on rendering speed. JS-based websites can face issues because of DOM rendering and can take a long to load. However, with virtual DOM and server-side rendering, this issue is resolved as Google and other search engines don&rsquo;t use JS for content rendering.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>4. Useful Developer Toolset</strong></h3>
<p dir="ltr">Learning emerging technologies and applying them in real-life projects can be fun and advantageous. But only if they are used correctly.&nbsp;</p>
<p dir="ltr">Hence, Facebook added React dev tools and Chrome dev tools in ReactJS, which help developers discover child and parent components, inspect their present state and props, and observe component hierarchies.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>5. Availability of Extensions</strong></h3>
<p dir="ltr">ReactJS is rich in extensions, which make the coding environment comfortable for developers. Moreover, it makes it easier to read and understand code. For example, Chrome browser extension support is good for tracing components and the Redux store.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>6. Thriving Community</strong></h3>
<p dir="ltr">ReactJS is backed by a strong community, which can be attributed to its open-source feature. Every day, a large number of loyal ReactJS developers contribute toward making it a better framework and resolving any glitches.&nbsp;</p>
<p dir="ltr">Be it a bug, technical problem, or any other query, you can seek any assistance, and the community will always be available to help you. Moreover, ReactJS experts continuously update and upload free tutorials on various platforms.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>7. Scope for Testing the Codes</strong></h3>
<p dir="ltr">ReactJS applications are easy to test, allowing developers to test and debug code using native tools. Jest is popular for testing React apps, and Enzyme is another well-known testing utility that helps developers check their code.&nbsp;</p>
<p dir="ltr">Another important thing is various frameworks and libraries are available that support React structure, including API calls. Developers just need to set the testing script once, and by running the script, anyone can have an idea of the test results and trace the point of failure. Hence, making code monitoring and functional flow sophisticated and time-efficient.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>8. Cross-platform Functionalities</strong></h3>
<p dir="ltr">Another highlight of React is its spin-off framework react native, meant for cross-platform development. One astonishing benefit of React Native is that you have to write code just once for iOS and Android.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>9. Trusted by Many Fortune 500 companies</strong></h3>
<p dir="ltr">If you are still not sure about ReactJS uses, take inspiration from global giants and Fortune 500 companies, such as Tesla, Walmart, Airbnb, and Tencent QQ, that trust ReactJS and its framework React Native for their mobile apps and websites. React web framework is currently being utilized by companies such as BBC, Netflix, NASA, Lyft, New York Times, and Paypal.</p>
<h3 dir="ltr" role="presentation"><strong>10. Enhanced Code Stability</strong></h3>
<p dir="ltr">ReactJS follows a downward data flow that ensures the parent structure is not affected by any changes made in the child structure. Whenever developers have to make modifications, they only have to edit their states and make proper amendments.&nbsp;</p>
<p dir="ltr">So, just a particular component will be updated while others will remain unchanged. This ensures better code stability and smooth app performance.&nbsp;</p>
<h3 dir="ltr" role="presentation"><strong>11. Improved Developer Productivity</strong></h3>
<p dir="ltr">With its feature of reusable components, developers can redistribute the same digital objects. ReactJS is easier to manage for developers, even when there are frequent changes in components. They only have to add buttons, text fields, and simple elements, and place them in wrapper components and to the root element. As React component has a unique internal logic that is easy to operate, this improves the maintenance and growth of code.</p>

<h3 dir="ltr">Pros</h3>
<p dir="ltr">Here&rsquo;s a look at the pros and cons of ReactJS that you must be aware of:</p>
<h4 dir="ltr" role="presentation">1. Fast Rendering</h4>
<p dir="ltr">Generally, you need to define the app structure at the outset when developing a high-load and complex application. However, virtual DOM provides valuable benefits, and the DOM structure is like a tree.&nbsp;</p>
<p dir="ltr">Contrary to small edits at the top-level layer that can hit the UI hard, with VDOM, all changes can be initially tested to find the risk level before finalizing the modification. This enables developers to build superior UI and high-performing apps.</p>
<h4 dir="ltr" role="presentation">2. Rich UI</h4>
<p dir="ltr">UI is crucial to the success and performance of any app. A poorly designed user interface can hamper the experience and reduce the app&rsquo;s chances of success. On the other hand, a high-quality UI increases the chances of users&rsquo; attention and interest. This is where ReactJS comes in. It helps build a top-notch and rich UI with its declarative components.&nbsp;</p>
<h4 dir="ltr" role="presentation">3. Redux</h4>
<p dir="ltr">Using the Redux feature, developers can manage the state of the app. If used with other frameworks, it can prove to be a great tool for building UI. Redux forces React components to avoid interacting with or depending on each other. Components transmit data to Redux, which updates the other components.&nbsp;</p>
<p dir="ltr">Hence, they remain updated with the latest data without relying on each other. This fastens the development process, and apps are more stable and can run in different environments.&nbsp;</p>
<h4 dir="ltr" role="presentation">4. Handy Tools</h4>
<p dir="ltr">React is known for its development tools and dependencies to assist developers. Two of them are React Developer Tools and Redux Developer Tools, which are browser extensions for Chrome and Firefox. The tools detect errors in code and fix them so developers just have to install them and start using them without any additional skills.&nbsp;</p>
<h4 dir="ltr" role="presentation">5. High-compatibility</h4>
<p dir="ltr">React was designed to be compatible with other JavaScript libraries without restricting the possibility of using additional tools to create a website. You can select any ReactJS extension that, with the help of outside controllers, will define the view layer of a page. It is easier to work with React on simple pages, but complex ones need more libraries to function properly.&nbsp;</p>
<h4 dir="ltr" role="presentation">6. Scalability</h4>
<p dir="ltr">Thanks to the modular design of ReactJS, it is easier to scale than various platforms. You simply have to add components, replace old ones with robust versions, and make application changes piecemeal to ramp up an app.&nbsp;</p>
<h3 dir="ltr">Cons</h3>
<p dir="ltr">Unfortunately, despite its numerous benefits, ReactJS has some drawbacks too:</p>
<h4 dir="ltr" role="presentation">1. Lack of adequate documentation&nbsp;</h4>
<p dir="ltr">Because of rapid development, documentation and resources can be sparse to cover the latest updates. New releases and updates hardly leave enough time to write and complete documents.&nbsp;</p>
<p dir="ltr">ReactJS, as an open-source framework, enables developers to create their support documents. However, anyone can create these resources, which also increases the chances of poor ones that have little to offer.&nbsp;</p>
<h4 dir="ltr" role="presentation">2. Only Focuses on User Interface&nbsp;</h4>
<p dir="ltr">ReactJS consists of a plethora of tools but they are used only to create the user interface. Hence, it is not an &lsquo;all-in-one&rsquo; tool for app development, and you need to use other technologies and tools to create functional apps and backend parts.</p>
<h4 dir="ltr" role="presentation">3. High Pace</h4>
<p dir="ltr">ReactJS is constantly changing and evolving but it can be a drawback at times. Many developers argue that ongoing changes put a lot of pressure on them to constantly learn about ReactJS, and it can be difficult for them to keep up.&nbsp;</p>
<h4 dir="ltr" role="presentation">4. JSX as a Barrier</h4>
<p dir="ltr">JSX is a syntax extension that allows HTML and JS to mix together. This may seem beneficial, but some consider JSX as a barrier, especially for new developers. This is a common complaint and hurdle in the learning curve.&nbsp;</p>

<p dir="ltr">In this section, let&rsquo;s discuss applications of ReactJS. It may not be a one-stop solution, but it offers plenty of uses. React is ideal for developing:<span id="docs-internal-guid-8dbb79ce-7fff-9eca-b7f5-51d83f816e9d"></span></p>
<ul>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Interactive elements within UI</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Stable coding</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Fast, responsive, and efficient SPAs</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Components for high-performing apps</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">SEO-friendy apps</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Quick-loading web apps</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Apps for native platforms</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Scalable apps where you can frequently add new features</p>
</li>
</ul>

<p dir="ltr">ReactJS is trusted for creating scalable, fast, and efficient web applications. Hence, gaining immense popularity across the world. Thousands of websites and companies, from startups to large enterprises, rely on it.&nbsp;</p>
<p dir="ltr"><strong>We have mentioned a few notable ones below:</strong></p>
<ul>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Facebook</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Instagram</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Wix</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Netflix</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Whatsapp</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Reddit</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Uber</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Dropbox</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Airbnb</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Skyscanner</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">The New York Times</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Khan Academy</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Walmart&nbsp;</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Pinterest</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Codecademy</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">SoundCloud</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Discord</p>
</li>
</ul>

<h3 dir="ltr"><strong>1. What is ReactJS used for?</strong></h3>
<p dir="ltr">React is a popular JS library developed by Facebook and was also used for building Instagram.com. It allows developers to create seamless and fast UI easily for their websites and apps. Moreover, its virtual DOM feature is like a tree based on JavaScript components.&nbsp;</p>
<h3 dir="ltr"><strong>2. How to learn ReactJS?</strong></h3>
<p dir="ltr">If you want to learn ReactJS, we recommend joining a reliable <a href="https://www.wscubetech.com/reactjs-training-course-jodhpur.html" target="_blank" rel="noopener">ReactJS course</a>. Seek professional guidance from experienced mentors who can even share industry insights and help you explore better opportunities. WsCube Tech is one such leading ed-tech company that offers a comprehensive <a href="https://www.wscubetech.com/online-mern-stack-developer-course-india.html" target="_blank" rel="noopener">MERN Stack course</a> to aspirants. It offers hands-on projects, regular assessments, live classes, job assistance, and professional assistance that ensure impactful and valuable learning experiences.</p>
<h3 dir="ltr"><strong>3. Is React a framework?</strong></h3>
<p dir="ltr">React is an open-source front-end JS library used to build user interfaces based on components. There are a few debates on whether React is a framework or a library, as many use these words interchangeably. However, they are not the same.&nbsp;</p>
<p dir="ltr"><strong>Frameworks meet the following criteria:</strong></p>
<ul>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Provide templates and ready-to-use tools</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Control calling of libraries for code</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Are consistent with APIs, toolsets, compilers, and libraries within</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Give guidelines and rules to write code and structure files</p>
</li>
<li dir="ltr" aria-level="1">
<p dir="ltr" role="presentation">Controls the flow and calls of code, but libraries allow you to control the flow of applications.</p>
</li>
</ul>
<p dir="ltr"><strong>Since React doesn&rsquo;t meet these requirements, it is clearly a library.</strong></p>
<h3 dir="ltr"><strong>4. Who developed ReactJS?</strong></h3>
<p dir="ltr">React was created by Jordan Walke, a software engineer at Meta, in 2011.</p>
<p dir="ltr"><strong>Conclusion</strong></p>
<p dir="ltr">Comparing React with other frameworks can be tough, considering it&rsquo;s a library. However, it is safe to say that it is well-appreciated and highly trusted for what it is. It is a great JavaScript library that is a preferred choice for many developers. Yes, many consider it overwhelming, but that doesn&rsquo;t take away the fact that it is one of the top-ranked JS libraries worldwide.</p>

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