UDUdemy

React JS Web Development - The Essentials Bootcamp

4.5(6,479)·74K enrolled

All levels 28.5 hours English Completion Certificate

About this course

This bootcamp starts from a portfolio-app build and works through React fundamentals, the Virtual DOM, hooks (useState, useEffect, custom hooks), then a substantial Next.js and React 18 module covering server/client components, server actions, and suspense. An optional deep-JavaScript section and a Redux module round it out.

The honest take: at 28.5 hours and 197 lectures, this is genuinely comprehensive rather than padded — the instructor (a working engineer) explains the 'why' behind patterns, not just the syntax. It's most valuable for learners who already know basic HTML/CSS/JS and want to go from React fundamentals to a production Next.js workflow in one course.

What you'll learn

Build React applications using components, state, props, and hooks

Understand the Virtual DOM and how React renders updates efficiently

Use core hooks (useState, useEffect) and build custom hooks

Build and deploy a production app with Next.js and React 18 server/client components

Strengthen JavaScript fundamentals (closures, async/await, the event loop)

Apply Redux patterns for scalable state management

This course includes

28.5h

On-demand video

Yes

Certificate

Yes

Mobile access

English

Language

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Instructor

David Joseph Katz

Udemy instructor

— learners— courses — instructor rating

David Joseph Katz is a software engineer at Upstart (formerly Zendesk) with a Bachelor's in Computer Science from the University of San Francisco.

Requirements

Basic familiarity with HTML, CSS, and JavaScript

Who this course is for

Developers with basic JS/HTML/CSS who want to learn React properly
Engineers transitioning from another framework to React/Next.js

About this provider

Udemy

The world's largest online learning marketplace. 65M+ students, 210,000+ courses.

4.3 trust score

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Frequently asked questions

No — it starts from React fundamentals, though basic HTML/CSS/JavaScript familiarity is assumed.

Yes — a substantial module covers Next.js with React 18, server actions, and suspense.

Yes, as an optional section covering modern Redux syntax and patterns.

28.5 hours of video across 197 lectures and 15 sections.

Yes — Udemy's standard 30-day money-back guarantee applies.