REACT JS

Getting Started with React

➢ What is ReactJS?
➢ Installation or Setup
➢ Create React App
➢ Advantages of React JS
➢ Workflow of React JS
➢ Node Setup
➢ How to use NPM and its purpose
➢ ES6 Introduction
➢ JS vs JSX vs TS vs TSX

Components

➢ Creating Components
➢ Basic Component
➢ Nesting Components
➢ Higher-Order Components

Overview of JSX

➢ Introduction of Virtual DOM
➢ Difference between JS and JSX
➢ Why use JSX?
➢ JSX Attributes
➢ JSX Styling

Props in React

➢ Introduction
➢ Default Props
➢ PropTypes
➢ Passing down props using the spread operator
➢ Props.children and component composition
➢ Detecting the type of Children components
➢ Props Drilling

State in React

➢ Basic State
➢ Common Antipattern
➢ setState()
➢ State, Events, and Managed Controls

React Component Lifecycle

➢ Component willMount
➢ Component UnMount
➢ Component Update
➢ Lifecycle method calls in different states
➢ React Component Container

Handling Events

➢ Event handling in React
➢ Binding event handlers
➢ Arrow functions vs. regular functions
➢ Primary Events
➢ Sharing the events between components

Communicate Between Components

➢ Child to Parent Components
➢ Parent to Child Components
➢ Not-related Components

Conditional Rendering

➢ Conditional rendering with if statements
➢ Conditional Rendering using logical && in JSX
➢ Conditional Rendering using the ternary operator
➢ Preventing Components from Rendering

Lists and Keys

➢ Steps to Create and Traverse React JS Lists
➢ Rendering lists inside Components
➢ Key in React List

ReactJS Keys

➢ What is a key in React?
➢ Assigning keys to the list
➢ Difference between keys and props in React

React Hooks

➢ useState()
➢ useEffect()
➢ useContext()
➢ useRef()
➢ useReducer()
➢ Custom React Hooks
➢ useDispatch(), useSelector, useMemo, useLayoutEffect()

Styling in React

➢ CSS in React
➢ Different approaches for styling (CSS, CSS-in-JS, CSS Modules)
➢ Inline Styles
➢ Styling Libraries
➢ Popular CSS Frameworks (e.g., Bootstrap, Material-UI)

Router

➢ Introduction to React Router
➢ Setting up React Router
➢ Creating Routes
➢ Navigating with React Router
➢ Using Link and NavLink
➢ Nested Routes and Dynamic Routing
➢ Passing Parameters to Routes
➢ Query String, Accessing Current URL

React JS Forms

➢ React Forms
➢ Lists of Form Components
➢ Control Input Elements
➢ Controlled and Uncontrolled Form Components
➢ Adding Forms in React
➢ Handling React Forms
➢ Submitting React Forms
➢ Multiple Input Fields
➢ React JS Form Validations
➢ Custom Validations

State Management with Redux

➢ Introduction to Redux
➢ Understanding the need for state management
➢ Basic Concepts: Actions, Reducers, Store
➢ Setting Up Redux
➢ Installing Redux and Setting up a Store
➢ Creating Actions and Reducers
➢ Connecting React with Redux
➢ Using connect to connect components to the store
➢ Dispatching Actions

Asynchronous Programming and API Integration

➢ AJAX and Fetch API
➢ Making HTTP Requests in React
➢ Fetching Data from an API
➢ Async/Await and Promises

Handling Errors in React Application

➢ Error Handling and Debugging
➢ Debugging React Apps
➢ Performance Optimization
➢ Memoization
➢ React.memo and PureComponent

ReactJS Virtual DOM

➢ What is DOM?
➢ Disadvantages of Real DOM
➢ Virtual DOM
➢ How Does Virtual DOM Make Things Faster?
➢ How Virtual DOM Helps React
➢ Virtual DOM Key Concepts
➢ Differences Between Virtual DOM and Real DOM

Unit Testing Overview

Lazy Loading

Code Splitting

Server-Side Rendering

Micro Frontend Overview

Deploying a React Application

Added Features

➢ Resume Preparation
➢ Resume Preparation Tips
➢ Sample Resumes
➢ Soft Copy of Notes for Each Module
➢ 4 Case Studies on Use Case Diagrams
➢ 2 Real-Time Project Specifications

Interview Preparation

➢ Interview Preparation Tips
➢ Sample Interview Questions
➢ How to Clear an Interview