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1. React JS Training Master the fundamentals of React JS Photo by Pexels

2. Table of Contents 01 Introduction to React JS 02 JSX 03 Components 04 State and Props 05 Lifecycle Methods 06 Routing with React Router 07 Styling in React 08 State Management with Redux 09 Testing React Applications

3. 3 Introduction to React JS What is React JS? React JS is a JavaScript library for building user interfaces.
It allows developers to create reusable UI components.
React JS follows a component-based architecture.
It was developed by Facebook. Photo by Pexels

4. 4 JSX What is JSX? JSX is a syntax extension for JavaScript.
It allows you to write HTML-like code in your JavaScript files.
JSX is used to define the structure of React components.
It gets compiled to JavaScript by Babel. Photo by Pexels

5. 5 Components What are Components? Components are the building blocks of React applications.
They can be either functional or class-based.
Components accept inputs called props.
Components can have their own state. Photo by Pexels

6. 6 State and Props Managing Data in React State is a JavaScript object that stores component data.
Props are inputs to components that are passed from parent components.
State and props are used to manage data and re-render components.
State is mutable, while props are read-only. Photo by Pexels

7. 7 Lifecycle Methods Controlling the Component Lifecycle Lifecycle methods are methods that get called at different stages of a component's lifecycle.
Some common lifecycle methods are componentDidMount, componentDidUpdate, and componentWillUnmount.
Lifecycle methods allow you to perform actions at specific points in a component's lifecycle.
They are useful for fetching data, setting up subscriptions, and cleaning up resources. Photo by Pexels

8. 8 Routing with React Router Navigation in Single-Page Applications React Router is a popular library for client-side routing in React applications.
It allows you to create routes and navigate between different components.
React Router uses the history API to manipulate the browser history.
It provides a declarative way to handle navigation in single-page applications. Photo by Pexels

9. 9 Styling in React CSS-in-JS and CSS Modules There are several ways to style React components.
CSS-in-JS libraries like styled-components and emotion provide a way to write CSS directly in your JavaScript code.
CSS Modules allow you to write modular CSS by scoping styles to specific components.
Both approaches offer great flexibility and reusability in styling React components. Photo by Pexels

10. 10 State Management with Redux Managing Global State in React Redux is a predictable state container for JavaScript applications.
It provides a central store to manage the global state of your application.
Redux follows a unidirectional data flow pattern.
It is commonly used with React to handle complex state management. Photo by Pexels

11. 11 Testing React Applications Unit Testing and Integration Testing Testing is an essential part of building reliable React applications.
Unit testing allows you to test individual components in isolation.
Integration testing ensures that multiple components work together correctly.
Tools like Jest and React Testing Library facilitate testing React applications. Photo by Pexels