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Welcome to HCL GUVI

Hey there! Welcome to HCL GUVI—Grab Your Vernacular Imprint—where tech learning is easy, fun, and curated specially for you. Incubated by IIT Madras & IIM Ahmedabad in 2014 and now part of HCL Group, we're making quality tech education accessible to all.

Join 3M+ learners breaking barriers and upskilling for a brighter future. We're here to guide you every step of the way! 🚀

LIVE Classes

Zen Classes are HCL GUVI's most refined and flagship product—live, expert-led tech programs for beginners and pros. With IITM Pravartak affiliations, master Full-Stack, Data Science, DevOps, UI/UX, and more in multiple languages!

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Courses

Looking for flexibility? HCL GUVI's 200+ self-paced courses let you learn anytime, anywhere! From free lessons to IIT-M & Autodesk-certified programs, gain in-demand skills in your preferred language.

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Practice Platforms

Enhance your coding skills with HCL GUVI's Practice Platforms—interactive, structured, and designed to help you master programming effortlessly.

CodeKata:

A structured coding practice platform with 1500+ coding problems designed by industry experts. Ideal for beginners and professionals preparing for tech interviews with real-world coding challenges.

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WebKata:

An interactive platform to master HTML, CSS, JavaScript, and Bootstrap with a live coding environment. Perfect for hands-on web development practice without any setup.

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SQLKata:

A practice ground for mastering SQL queries used in real-world applications. Write, optimize, and refine your queries to build strong database skills.

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Debugging:

Hone your bug-fixing skills with real-world debugging challenges in Python, C++, JavaScript, and Golang. More languages coming soon!

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IDE:

A free online compiler supporting 20+ programming languages with auto-complete, debugging, and AI-powered code generation—all in the cloud!

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Leaderboard

Climb the leaderboard as you earn Geekoins by learning and practicing! The top scorers get featured, making learning competitive and rewarding. Keep going—you could be next!

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Rewards

Earn Geekoins by watching videos and practicing problems, then redeem them for exciting rewards. The more you engage, the more you win!

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Referral

Love learning with HCL GUVI? Share it with friends! Invite them using your unique link or code and unlock exciting rewards—Amazon vouchers, iPhones, and more. A Win-Win.

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Profile

Your HCL GUVI profile is your digital portfolio! Track progress, showcase skills, add projects, and build a resume. Keep it updated—opportunities await!

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That's It! You Are Ready!

You're all set to dive into your learning journey with HCL GUVI. Explore, upskill, and make each step count—exciting possibilities awaits!

Home
Javascript
Resources

Resources for Learning ReactJS

Resources

Supercharge your career with HCL GUVI’s IITM Pravartak Certified MERN Full Stack Development Course! Master front-end, back-end, databases, and system design with hands-on projects, expert guidance, and interview-ready skills — launch your developer journey today!

And if you are a beginner or an enthusiast eager to build something impactful with React, having a strong foundation is crucial. Enroll yourself in HCL GUVI’s React.js course today!

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Computer Networks Tutorial

A complete guide to computer networking, from fundamentals to protocols, routing, addressing, and real-world data communication.

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C Language Tutorial

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PHP Tutorial

Step-by-step PHP handbook for web developers. Master server-side scripting with practical code and concepts.

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Android Tutorial

Beginner-friendly Android handbook covering app fundamentals, UI design, and hands-on development concepts.

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Linux Guide Tutorial

A practical Linux handbook covering command-line basics, file management, and system operations.

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Data Structures and Algorithms Tutorial

Learn core data structures and algorithms with practical examples to improve coding efficiency and problem-solving skills.

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HTML 5 References Tutorial

A handy HTML5 reference guide covering modern tags, attributes, and semantic elements.

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Docker Tutorial

A hands-on Docker handbook covering containers, images, and modern application deployment basics.

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GIT (Using Github) Tutorial

A hands-on Git and GitHub handbook for managing code, tracking changes, and collaborating on projects.

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Go Language Tutorial

A beginner-friendly Go handbook covering core language concepts and modern backend programming.

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GIT Guide

A practical Git guide covering version control basics, branching, and real project workflows.

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CSS Tutorial

A beginner-friendly CSS handbook covering page styling, layouts, and responsive design basics.

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Advanced Data Structures

A focused handbook covering advanced data structures for efficient and scalable problem solving.

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Spring Framework Tutorial

A hands-on Spring Framework handbook covering core concepts and backend development fundamentals.

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Kotlin Tutorial

A beginner-friendly Kotlin handbook covering modern language features and real-world development concepts.

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Apache Cordova Tutorial

A hands-on Apache Cordova handbook for building cross-platform mobile apps with web technologies.

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Python Tutorial

A beginner-friendly Python handbook covering core concepts and practical programming examples.

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SASS-SCSS Tutorial

A hands-on SASS / SCSS handbook for writing clean, reusable, and scalable stylesheets.

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MongoDB Tutorial

A hands-on MongoDB handbook covering NoSQL concepts and modern database operations.

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Numpy Tutorial

A hands-on NumPy handbook for fast numerical computation and data manipulation using Python.

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A hands-on PL/SQL handbook for writing procedural database programs and business logic.

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Python Built-in Functions Tutorial

A handy reference guide to Python’s built-in functions for cleaner and faster coding.

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A hands-on Elasticsearch handbook covering indexing, searching, and data analysis concepts.

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Matplotlib Tutorial

A hands-on Matplotlib handbook for creating charts and visualizing data using Python.

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Web Scraping Tutorial

A hands-on web scraping handbook for extracting and working with data from websites.

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Java Examples Tutorial

A hands-on Java examples handbook focused on logic building and practical coding.

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A hands-on Java Servlet handbook for building server-side web applications.

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Java Type Conversion Tutorial

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Java 8 Tutorial

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Java 9 Tutorial

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Java 10 Tutorial

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Building a Contact Us Form in ReactJS

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Building a Age Calculator App Using ReactJS

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Movie Recommendation System Project Using Content-Based Filtering

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Word Counter Tool Using ReactJS

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Resources for Learning ReactJS

Contents

Resources

Recipe Finder App using ReactJS

Recommended Handbooks

C++ Handbook

Python Basics Handbook

Javascript Handbook

ReactJS Projects Handbook

Computer Networks Tutorial

Operating System Tutorial

DBMS and SQL Tutorial

Java Tutorial

C Language Tutorial

PHP Tutorial

Android Tutorial

Linux Guide Tutorial

Data Structures and Algorithms Tutorial

Computer Architecture

HTML 5 References Tutorial

Docker Tutorial

GIT (Using Github) Tutorial

Go Language Tutorial

GIT Guide

CSS Tutorial

Advanced Data Structures

Spring Framework Tutorial

Spring Boot Tutorial

Kotlin Tutorial

Apache Cordova Tutorial

Python Tutorial

SASS-SCSS Tutorial

MongoDB Tutorial

Numpy Tutorial

PL-SQL Tutorial

Python Built-in Functions Tutorial

Pandas Tutorial

Elasticsearch Tutorial

Matplotlib Tutorial

Web Scraping Tutorial

Networking with Python

Tkinter Tutorial

Java Programs Tutorial

Java Examples Tutorial

Servlet Tutorial

JSP Tutorial

Java Type Conversion Tutorial

Java 8 Tutorial

Java 9 Tutorial

Java 10 Tutorial

Java 11 Tutorial

Java Util Library Tutorial

Building a Contact Us Form in ReactJS

Building a Age Calculator App Using ReactJS

Movie Recommendation System Project Using Content-Based Filtering

Sales Data Analysis Project for Beginners Using Data Science

Student Performance Analysis Project for Beginners Using Data Science

Word Counter Tool Using ReactJS