React Fundamentals

Introduction to React

React is a JavaScript library for building user interfaces, maintained by Facebook and a community of individual developers and companies.

Key Concepts Covered

1. Components

• Functional components vs Class components
• Props and state
• Component composition

2. JSX Syntax

• Writing HTML-like syntax in JavaScript
• Using expressions in JSX with curly braces
• Conditional rendering

3. Hooks

• useState hook for state management
• useEffect hook for side effects
• Custom hooks

Important Notes

Always remember to:

• Break down UI into components
• Keep components small and focused
• Use props to pass data down
• Lift state up when needed

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Hands-on Examples

The course includes many practical examples covering:

• Building a complete recipe app
• Working with APIs
• State management patterns
• Component lifecycle