Tag: state management

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

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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

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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

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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

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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

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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

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Forms in React

Controlled Components

• Managing form inputs using state

Form Submission

• Handling form submit events

Using Refs

• Accessing DOM elements using refs

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Lifting State Up

State Sharing

• Sharing state between components

Lifting State

• Moving state to a common parent component

Practical Example

• Building a temperature calculator

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React Router

Introduction to React Router

• Understanding client-side routing

Navigation

• Creating navigation using Link and NavLink

Route Parameters

• Defining and using dynamic routes

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Context API

Introduction to Context API

• Solving prop drilling problems

Creating Context

• Creating and providing context values

Consuming Context

• Using context in functional components

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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

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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

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Project Setup

Planning the Project

• Defining project requirements
• Choosing features and structure

Initial Setup

• Configuring the React project
• Organizing folders and files

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Creating Components

Component Development

• Creating and styling components

State and Props

• Managing component state and props effectively

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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

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Deployment

Production Build

• Building the React application for production

Hosting

• Deploying the app using Netlify or Vercel