React JS from Scratch
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In today’s job market, React JS is one of the most in-demand frontend skills you can have. This course takes you from zero knowledge to building and deploying a full CRUD application, the kind of project you can put in your portfolio and show to employers.
Each week combines self-paced lessons on Jenga eLearning with a live one-hour session where you build, ask questions, and hear from working professionals in the industry.
By the end of this course, you will have built a complete React JS application from scratch, understand how modern web applications are structured, and have hands-on experience with components, hooks, routing, API integration, and state management.
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1
How This Course WorksWelcome to React JS from Scratch: Build Real Applications. Genuinely glad you are here.
By the time this course is done, you will have built a real, working application, not a tutorial clone, not a copy-paste project, something you made, understand, and can explain to anyone. That is the goal.
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What is React and Why It Matters
You have probably heard the word "React" thrown around a lot. In job listings, in tech Twitter, in conversations where people sound very smart and very busy. But what actually is it?
Let's break it down properly.
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Introduction to React JS -
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Setting Up VS Code and Node.js
Your code is only as good as your workspace. Let's build yours.
This lesson gets your computer ready to write React. It sounds like admin, it is actually the moment everything becomes real. By the end of this lesson, you will have a React app running on your screen. Not a tutorial screenshot. Yours.
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JSX Basics and Your First Component
This is where you stop reading about React and start building with it.
By the end of this lesson you will have written your first component, understood what JSX actually is, and built a profile card that displays on your screen. Real code. Real output. Let's go.
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Build a Profile Card Component
What You Will Learn
- How to set up a React JS development environment from scratch
- How to build reusable components using JSX
- How to manage state and side effects with React Hooks
- How to navigate between pages using React Router
- How to fetch and display data from external APIs
- How to manage application state effectively
- How to build and deploy a full CRUD application
- A computer or smartphone with internet access
- No prior React experience required
- Basic HTML and CSS knowledge is helpful but not mandatory
- Willingness to build things and make mistakes
- Students learning web development who want practical, job-ready skills
- Developers who know HTML and CSS and are ready for their first JavaScript framework
- Anyone who has tried to learn React before and got stuck
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