MERN Stack Development

7.

Full-Stack Integration

7.1.

HTTP Communication

7.1.1.

7.1.1.1.

Basic Fetch Usage

7.1.1.2.

Request Configuration

7.1.1.3.

Response Handling

7.1.1.4.

7.1.2.

7.1.2.1.

Axios Installation

7.1.2.2.

Request Methods

7.1.2.3.

7.1.2.4.

Global Configuration

7.1.3.

Async Operations

7.1.3.1.

Promise Handling

7.1.3.2.

Async/Await Syntax

7.1.3.3.

Error Boundaries

7.2.

CORS Configuration

7.2.1.

Same-Origin Policy

7.2.1.1.

Security Implications

7.2.1.2.

Cross-Origin Restrictions

7.2.2.

7.2.2.1.

Access-Control-Allow-Origin

7.2.2.2.

Access-Control-Allow-Methods

7.2.2.3.

Access-Control-Allow-Headers

7.2.3.

CORS Middleware

7.2.3.1.

Express CORS Setup

7.2.3.2.

7.2.3.3.

Preflight Requests

7.3.

Authentication System

7.3.1.

Password Security

7.3.1.1.

Password Hashing

7.3.1.2.

Salt Generation

7.3.1.3.

7.3.2.

JSON Web Tokens

7.3.2.1.

7.3.2.2.

7.3.2.3.

Token Verification

7.3.2.4.

Token Expiration

7.3.3.

Authentication Flow

7.3.3.1.

User Registration

7.3.3.2.

7.3.3.3.

7.3.3.4.

7.3.4.

7.3.4.1.

Role-Based Access

7.3.4.2.

Permission Systems

7.3.4.3.

Protected Resources

7.3.5.

Frontend Authentication

7.3.5.1.

Login Components

7.3.5.2.

Authentication Context

7.3.5.3.

Route Protection

7.3.5.4.

Token Management

7.4.

Data Flow Architecture

7.4.1.

Client-Server Communication

7.4.1.1.

Request-Response Cycle

7.4.1.2.

Data Synchronization

7.4.1.3.

State Management

7.4.2.

7.4.2.1.

Endpoint Structure

7.4.2.2.

7.4.2.3.

Error Responses

7.4.3.

Real-Time Communication

7.4.3.1.

WebSocket Integration

7.4.3.2.

Server-Sent Events

7.4.3.3.

Socket.io Implementation

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