React tutorial Archives

Introduction to React

What is React?

React is a JavaScript library for building user interfaces, primarily used for creating fast, interactive, and component-based web applications.

History and Origin of React

React was developed by Facebook (Meta) and released in 2013 to solve challenges related to building large-scale, dynamic user interfaces efficiently.

Advantages of Using React

Component-based architecture
Virtual DOM for improved performance
Reusable and maintainable code
Strong community and ecosystem
Widely used in modern frontend development

Setting Up the Development Environment

Installing Node.js and npm

Installing Node.js
Understanding npm (Node Package Manager)

Creating a React Application

Setting up a new project using create-react-app
Running and building the development server

Project Structure

Understanding folders and files in a React project
Purpose of src, public, and configuration files

Understanding JSX

What is JSX?

JSX is a syntax extension for JavaScript that allows writing HTML-like code inside JavaScript files.

JSX Syntax

Writing JSX elements
Using JavaScript expressions inside JSX

JSX Attributes and Children

Applying attributes in JSX
Passing children elements

Components in React

Types of Components

Function components
Class components

Creating and Using Components

Creating reusable components
Importing and exporting components

Props

Passing data using props
Default props and prop validation

State Management

Understanding component state
Using the setState method

Rendering Elements

Rendering Components

Rendering a React component to the DOM

Updating the UI

Re-rendering components when state or props change

Conditional Rendering

Rendering content conditionally using JavaScript expressions

Handling Events

Event Handling in React

Adding event handlers in JSX
Handling user interactions

Synthetic Events

Understanding React’s synthetic event system

Passing Arguments

Passing parameters to event handlers

Forms in React

Controlled Components

Managing form inputs using state

Form Submission

Handling form submit events

Using Refs

Accessing DOM elements using refs

Lifting State Up

State Sharing

Sharing state between components

Lifting State

Moving state to a common parent component

Practical Example

Building a temperature calculator

React Router

Introduction to React Router

Understanding client-side routing

Navigation

Creating navigation using Link and NavLink

Route Parameters

Defining and using dynamic routes

Context API

Introduction to Context API

Solving prop drilling problems

Creating Context

Creating and providing context values

Consuming Context

Using context in functional components

Hooks in React

Introduction to Hooks

Why hooks were introduced

Core Hooks

Using useState
Using useEffect

Custom Hooks

Creating reusable logic with custom hooks
Rules of hooks

State Management with Redux

Introduction to Redux

Understanding global state management

Redux Setup

Setting up Redux in a React project

Core Concepts

Actions
Reducers
Store

Connecting Redux with React

Using Redux with React components

Project Setup

Planning the Project

Defining project requirements
Choosing features and structure

Initial Setup

Configuring the React project
Organizing folders and files

Creating Components

Component Development

Creating and styling components

State and Props

Managing component state and props effectively

Implementing Features

Routing and Navigation

Implementing page navigation

CRUD Operations

Creating, reading, updating, and deleting data

API Integration

Fetching and managing data from external APIs

Deployment

Production Build

Building the React application for production

Hosting

Deploying the app using Netlify or Vercel

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