React JS Training in Chennai



Do you want to do React JS Course in Chennai? Btree Systems top React JS Training Institutes in Chennai provides the Best React JS Training in Chennai. The training will help the student to master the advance level of React JS. Become a certified react JS Developer with the help of industrials experts. You will learn Concepts like react components, JSK fundamentals, Flux Application Architecture react, JavaScript, Creating a react app, Etc. You will work on real time projects. After finishing React JS course at Btree systems, you will be certified developer and placed in a react JS Job.

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React JS Training course
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Course crafted and taught LIVE by industry experts.

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Key Highlights for React JS Training

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Overview of React JS Course in Chennai

Learn React Js course at BTree Systems which skills up you with Javascript, JSON, Ajax, Rjx, and React Native to become an expert in online applications with placement. We ensure that all the skills necessary for a successful career choice are included in our React JS curriculum.

The React.js framework is an open-source JavaScript framework and library created by Facebook. It’s used for quickly and efficiently creating interactive user interfaces and online apps with far less code than vanilla JavaScript.

This back-and-forth loading cycle between your browser (the client) and the server repeats itself for each new page or resource you attempt to access on a website. This common method of website loading is perfectly adequate but think about a website that is heavily dependent on data. The user experience would be terrible due to the repeated back-and-forth loading of the entire webpage.

Furthermore, updating the DOM to reflect data changes in a typical JavaScript application involves manual intervention. A complete page reload is required when you determine which data changed and update the DOM to reflect those changes.

A virtual DOM, which is a duplicate of the real DOM, is used by React. Every time the data state changes, React’s virtual DOM is instantaneously updated to reflect the new modification. React then determines what has changed by comparing the virtual DOM to the real DOM.

React then determines how to update the actual DOM least expensively without rendering the actual DOM. Since you don’t have to reload the entire page every time something changes, React’s components and UIs immediately reflect the changes.

React does not impose specific guidelines for code conventions or file management, unlike other frameworks like Angular. This implies that programmers and teams are free to establish the norms that work best for them and implement React as they see fit. Due to React’s versatility, you can utilize it as much or as little as you require.

You may build your complete app’s user interface with React, just one button, or a few interface elements. Depending on your needs, you can either gradually embrace it and sprinkle some interaction into an already-existing application or, even better, utilize it to create fully-fledged, sophisticated React applications from scratch.

Here are some reasons why many developers and companies choose React over alternative libraries and frameworks:

Simple to learn: React is simple to learn and understand as long as you understand the prerequisites. React includes extensive documentation as well as a wealth of free resources generated by other developers online via React’s thriving community.

Reusable components: Each React component has its logic that may be reused across the project. This eliminates the need to redo the same piece of code several times.

Job opportunities: At the moment, a higher percentage of front-end web development opportunities require React. So knowing how to React works and being able to work with it improves your chances of finding a job.

Enhanced performance: Pages can be rendered more quickly thanks to React’s virtual DOM. You might have different pages rendered without having to reload the page when using a routing tool like React Router.

Widely extendable: React is a library that is solely used to render the user interface of our application. The developer has the freedom to select the tools they want to use, such as design libraries, libraries for rendering various pages, etc.

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React JS Career Transition


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I am very happy to share my opinion about btree, I choose an online class even a project also took online but my trainer he’s teaching me each and every concept clearly understandable and also cleared all my doubts it was very gifted to me.



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React JS Skills Covered





React Router v4

React Redux

React Firebase

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React JS Tools Covered

HTML 5 CSS 3 JavaScript AJAX Redux JSON React Router JSX Firebase
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React JS Course Fees




08:00 PM TO 11:00 PM IST (GMT +5:30)




08:00 PM TO 11:00 PM IST (GMT +5:30)




08:00 PM TO 11:00 PM IST (GMT +5:30)

₹ 26,000

₹ 23,400

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Curriculum for React JS Course

React JS Introduction

  • Welcome To The Course
  • Course & Projects Outline


  • Introduction
  • Array Helper Methods
  • Let and Const
  • Template Literals
  • Arrow Functions
  • Default Function Parameters
  • Rest and Spread
  • Destructuring
  • Classes
  • Promises
  • Fetch

Getting Started With React

  • What Is React
  • Environment Setup
  • Create React App vs Manual Setup
  • Installing & Using The CLI
  • A Look At The Initial React Files & How They Work

Components, JSX & Props

  • Thinking In Components
  • What Is JSX
  • JSX Expressions
  • Creating Your First Component
  • Functional Components
  • Working With Props
  • Typechecking With PropTypes
  • CSS In React
  • Adding Bootstrap

State & The Context API

  • Changing State From Another Component
  • Using The Context API & Provider State
  • Adding A Context Reducer For Actions
  • Creating State
  • Events In React
  • Changing State

Working With Forms

  • Creating A Form With State
  • Controlled Components & onChange
  • Text InputGroup Component For DRY Code
  • Uncontrolled Components & Refs
  • Form Submit Action To Context
  • Error Checking & Display

React Router v4

  • React Router Setup
  • Links, Params & Redirect
  • 404 Not Found Page
  • Edit Contact Component & Fetch Contact
  • PUT Request & Update Action

React Redux

  • Redux Architecture
  • Redux Installation
  • React Redux Example

React Firebase

  • Authenticating user with Firebase
  • CRUD operations using Firebase and React

“Accelerate Your Career Growth: Empowering You to Reach New Heights in React JS Certification"

React JS Training Options

React JS Classroom Training

  • 50+ hours of live classroom training
  • Real-Time trainer assistance
  • Cutting-Edge on React JS Course Tools
  • Non-Crowded training batches
  • Work on real-time projects
  • Flexible timings for sessions
React JS live training

React JS online training

  • 50+ Hours of online React JS Training
  • 1:1 personalised assistance
  • Practical knowledge
  • Chat and discussion panel for assistance
  • Work on live projects with virtual assistance
  • 24/7 support through email, chat, and social media.

React JS Certification

React Js Training in Chennai provides a career-oriented training curriculum conducted by BTree Systems which are specialists with over 8-10 years of expertise in the area.

After finishing the React Js course, students will have completed a real-world Frontend Application project experience, this certification indicates that the participant has gained the technical skills required to function as a React Js Developer. This certificate can open the door to more extensive career opportunities when you present it during the interview along with your resume or CV.

Knowledge Hub with Additional Information of React JS Training

React has the significant advantage of being maintained by tech giant Meta. React enjoys stability and long-term support from a major player in the computer industry, something that most frameworks simply do not have. This assures developers that React won’t be discontinued anytime soon and that improvements will be made.

However, only one developer, Evan You, created Vue. Former Google employee Evan contributed to AngularJS. To accelerate the development process, he intended to mix the best techniques from Angular, Ember, and React with other features. Despite being a true open-source project, Vue is entirely dependent on the community, contributions, and donations to advance.

Between React and Vue.js, the syntax is the primary distinction. React only employs JSX, fusing HTML, CSS, and JavaScript, whereas Vue uses HTML templates with the ability to write in JSX. Because of this, Vue is a more beginner-friendly library with a shorter learning curve than React due to the separation it offers between HTML, CSS, and JavaScript. Developers can quickly discover answers to any questions they may have about Vue because of its excellent documentation.

Let’s have a look at Next.js, our upcoming JavaScript framework. Based on Node.js and Babel, Vercel, Google, and Facebook developed Next. This is an odd one because many React websites are built on Next.js bases to simplify server-side rendering since Next.js already has all the features needed to create a fully functional website. The material is very thorough, and its popularity is undoubtedly growing.

Because React is a library, you must design your workflow for it. That was the basic idea behind Next: a procedure that proved to be so helpful that it was adopted as a framework. With the intention of accelerating and simplifying development, Next was built on top of React. The ease with which you may launch a website is frequently the main attraction of using Next in a React project.

For developers just getting started with React, Next.js offers a fantastic solution. It makes use of Create React App, which spares developers from having to set up and modify their development environment. You only need to run the command “npx create-react-app your-app-name” to avoid having to construct the complete thing from scratch. You can link Create React App with any server of your choosing, with Node.js being the most popular option. Creating React App merely builds the front-end portion of your website.

Another advantage of using Next is that it improves the performance of your website. The automatic server-side rendering used by Next makes sites that are created using it extremely quickly. This is where React alone fails because it only supports client-side rendering and needs further help to run faster.

Backbone.js is likely the most unique of the JavaScript frameworks we’re looking at today because it is built on the MVC (Model View Controller) design. However, this has its difficulties. Even while Backbone is excellent at what it does, it is insufficient to create single-page apps on its own. Choose a suitable templating language to work with Backbone to get the most out of it. My personal favorites are Moustache and Handlebars while using another JavaScript library, such as Chaplin, is also a wise decision when using Backbone.

Utilizing Backbone has many benefits, including being lightweight. Instead of adding useless code to your repository, it enables you to select which library components you want to use. However, Backbone doesn’t provide your code with a predefined structure. Because of this, developers must write more code than they would if they were utilizing React. Because of this, Backbone.js is regrettably rather challenging for a beginner developer to get started with because even basic functionality requires several libraries and add-ons.

The library is no longer being regularly updated, nevertheless, as a result of Backbone’s declining popularity. Backbone is regarded as a legacy library, even though issues are continually being fixed and documentation is often updated. There are therefore no upcoming upgrades even though it is still supported. Backbone is consequently left without React’s reliability and backing.

Although React JS and React Native have many similarities, they also differ in some important ways. Let’s look at it:

• React Native is a base derivative in and of itself, whereas React JS is a base derivative of React DOM for the web platform. This means that the components remain the same but the syntax and process are different.

• In the end, React JS is a JavaScript toolkit that allows programmers to design attractive and effective UI Layers, whereas React Native is a complete framework for developing cross-platform apps for the web, iOS, and Android.

• React Native uses native APIs to render components on mobile devices, while React JS uses virtual DOM to render browser code.

• React JS programs render HTML in the user interface but React Native apps use JSX, which is essentially Javascript, to render the user interface.

• In React JS , styling is created using CSS, however, in React Native, styling is created using a stylesheet.

• Similar to web development, animation in React JS is possible via CSS, however in React Native, motion is induced across many React Native application components utilizing an animated API.

• React JS is the greatest choice when it comes to creating a high-performing, dynamic, and responsive user interface for web interfaces. React Native is the best choice when it comes to giving mobile apps a fully native experience.

There are many advantages to using React JS. To learn why React JS differs from other front-end development frameworks, let’s examine its main advantages.


The main benefit of React is that it enables developers to use certain components of their applications on both the client side and the server side, which ultimately accelerates the development cycle.

Simply put, multiple developers can create specific components without affecting the application’s logic.


React’s modular nature makes its code more flexible and easier to maintain when compared to competing for frontend frameworks. Businesses benefit greatly from this flexibility in terms of time and money savings.


In order to give excellent performance, React JS was created. A virtual DOM program and server-side rendering are provided by the framework’s core, which allows complicated programs to run very quickly.


If you know the fundamentals of JavaScript, deploying React should be quite simple. In reality, a skilled JavaScript developer may quickly become familiar with the ins and outs of the React framework.

Reusable Components

Reusing components is one of the key advantages of using React JS. Developers save time because they don’t have to build several codes for the same functionalities. Additionally, if modifications are made to one area of the application, they won’t have an impact elsewhere.

Mobile app development

If you believed React was only for web development, you couldn’t be more wrong! The infrastructure for creating native mobile applications for both Android and iOS platforms has already been improved by Facebook.

To achieve the greatest results, each React JS developer must fulfil certain tasks and adhere to certain duties. The following is a list of some of these jobs and duties for Reactjs developers:


• Developers working with React must be familiar with all data structure libraries and code versioning tools.

• They must be able to use the built-in React toolkit to create powerful front-end features.

• The ability to create libraries, tools for data visualization, and reusable code is a requirement for all React web developers.

• Data structures management is the responsibility of React developers.

• They need to be familiar with DOM manipulation.

• It is the responsibility of developers to write application code using a suitable Javascript object model.

• Performance testing tools must enable developers to quickly improve web application performance by continuously tracking it.

• Every developer using React is accountable for component optimization.

• The expert must verify that all online and mobile application components function correctly across a range of platforms and browsers.

• The drawings and wireframes must be converted into high-quality code by the professionals.

• A React developer needs to be very knowledgeable with things like CSS libraries, Sigma, GIT, Adobe XD, and more.

• Components for application interfaces are made by React web developers.

• They have information authentication so you can make a web application using JavaScript that works well.


• Every specialist in the information technology ecosystem, whether a developer, designer, or tester, must be in continual communication with other team members.

• It is the responsibility of React developers to make the necessary adjustments in the application for future upgrades by adhering to best practices and guidelines.

• It is imperative to make it a habit to carefully analysis the requirements for web apps and the components that interface with them.

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FAQ of React JS Course

The React JS training in Chennai at BTree Systems places an equal emphasis on the practical and theoretical concepts of React JS, which has attracted more than 1000 students. React JS professionals who are highly regarded experts in the web development field. React JS course fee structure is designed to be affordable for both students and working professionals at BTree comprehensive coverage of the React JS course along with 40+ hours of extensive React JS course in Chennai.

The beginning salary for a Reactjs developer of almost 15,000K per month is around 1.8 lakh. Being a Reactjs Developer doesn’t require any prior experience.

An Entry Level Reactjs Developer with under three years of experience may expect to make an annual income of 4.9 Lakhs. A Reactjs developer in the middle of their career with 4 to 9 years of experience makes an average pay of 9.8 lakhs per year, while a developer with 10 to 20 years of experience makes an average compensation of 16 lakhs per year.

• Given the scope and demand, the future of React JS developers looks bright. The best method to become familiar with the features of this cutting-edge program is through react training.

• Single-direction data flows are also supported by React’s flux concept. Some stacks, like Firebase, are so popular because of React JS.

• Developers anticipate an improvement in error handling. In the past, rendering runtime problems usually put React JS in an awkward situation. Page refreshes are required frequently as a result.

• The current approach is to throw the error within the component or lifecycle functions. It is not the best solution for a better user experience, even while it helps to avoid inaccurate data from being rendered.

• Rendering on the server side is becoming better. It’s still a nice place to recommend changes even though the most recent version of React JS has a completely revamped server render that makes it incredibly fast and fantastic for streaming.

• Because many programs have intricate logic, changes to one element may have an effect on other elements.

• Therefore, Facebook developers created a fantastic improved productivity feature in React by enabling it to reuse the same/previously used assets, streamlining developer workflow.

• Developers routinely reuse the same digital items to boost efficiency, which makes asset reuse quite popular among them. Start with the simplest elements (such as checkboxes and buttons), go on to wrapper elements composed of smaller elements, and finally arrive at the main root element.

No worries, BTree Systems assure that no one misses the single session of topics. All Advanced React JS classes have recordings that you can watch as many times as necessary before the next session. The Flexi-pass from BTree Systems gives you 90 days of access to all or any classes, allowing you to plan sessions at your convenience.

The following are the key competencies we cover in our training for React JS developers:



• JavaScript




• React JS and React Native

Other benefits of learning React JS include understanding of React Component, JSX, React List, Styling, React Hooks, State-full Components, State-less Components, Component Lifecycles, HTTP Requests, and more. You may also enrol in the React JS program to obtain React JS certifications.

In fact, more than 52% of React-proficient jobs are open to entry-level workers, compared to only 14% of Java opportunities. PHP comes in second with a proportion of 21%.

Because React is a JavaScript framework, you also need to be familiar with other front-end programming principles like HTML, CSS, and JavaScript. Even if you’ve never had a programming job before, there are many possibilities to leverage that skill set once you do so in the job market.

With 29,587 available entry-level positions, your odds of obtaining something are fairly strong, and learning the React framework isn’t difficult if you already know HTML, CSS, and JavaScript.

No. It functions as a query language primarily and employs everyday language to make it simple to grasp. We at BTree Systems make learning more convenient with the help of our knowledgeable instructors.

• All React JS training has been built upon Real-Time Implementation.

• You will receive practical experience through industry projects, hackathons, and lab sessions that will help you build your portfolio of projects.

• GitHub repository, which you can show hiring managers during interviews.

We offer several types of training, such as:

• Customized training

• One-on-one training

• Fast-track training

• LED online training with a live instructor

• And classroom training.

Yes, we provide job assistance, not a job guarantee. BTree Systems placement team offers technical training, industry projects, case studies, resume preparation, and practice interviews to help you get hired.

Yes, we offer career counseling and a camp to new graduates and working professionals in the IT and non-IT fields.

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