Setting Up Your Development Environment
- Node.js Installation: Ensure Node.js is installed on your system as it includes npm (Node Package Manager), which we’ll use to manage dependencies.
- Create React App: Use Create React App to set up a new React project quickly. Run
npx create-react-app my-app
in your terminal to create a new React application namedmy-app
.
npx create-react-app my-react-app
Step 2: Once the project is created, navigate to your project directory:
cd my-react-app
Step 3: Start the development server to see your React application in action:
npm start
Getting Started with React
ReactJS, often referred to as React, is a popular JavaScript library developed by Facebook for building user interfaces. It emphasizes a component-based architecture, where UIs are built using reusable components. React uses a declarative syntax to describe how UIs should look based on their state, simplifying development and enhancing code readability.
React also utilizes a virtual DOM to optimize rendering performance by minimizing actual DOM manipulations. React’s unidirectional data flow and rich ecosystem of libraries and tools have made it a go-to choice for frontend development, especially in building single-page applications (SPAs).
Table of Content
- Why ReactJS ?
- Setting Up Your Development Environment
- Understanding React Components
- Creating Your First React Component
- JSX (JavaScript XML)
- Working with Props and State
- Handling Events:
- Conditional Rendering
- Lists and Keys
- Styling React Components
- Introduction to React Hooks
- Building a Simple React Application
- Component Lifecycle
- React Router
- Managing State with Context API