An In-depth Introduction to React | Udemy

Ready to truly understand React, not just use it? This comprehensive, hands-on course takes you from the fundamentals of building user interfaces with React to advanced concepts like custom hooks, refs, and performance optimizations. Whether you’re just getting started or looking to deepen your React knowledge, this course offers a structured and modern approach to mastering one of the most in-demand libraries in web development.

I’m Andreea, and I’ve been building real-world applications with React for over 9 years. In this course, I’ll walk you through the exact approach I use in production environments, breaking down complex concepts into clear, practical lessons you can apply immediately.

What You’ll Learn:

• How to set up a modern React development environment using Vite
• The key differences and similarities between React and the DOM
• How props, state, and the Virtual DOM work together
• Best practices for sharing state and avoiding prop drilling
• Best practices for designing applications with usability in mind
• How JSX works under the hood
• Implementing CRUD functionality in your UI
• Using the useEffect and useRef hooks for side effects and DOM access
• Building and using custom hooks to write reusable logic
• Animating DOM elements and layout effects
• How to optimize React apps and understand Strict Mode behavior

Who This Course is For:

• Web developers who want to transition from vanilla JS to React
• Beginners with working JavaScript knowledge ready to learn a modern framework
• Intermediate and advanced React users looking to fill gaps and deepen their understanding
• Developers interested in writing cleaner, more maintainable code with React
• Developers with an interest in usability