🔴 Express.js Routing

Master advanced routing patterns and middleware in Express.js applications

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Express.js Routing Curriculum

10
Routing Units
~50
Route Patterns
v4.18
Express Version
Advanced
Routing Skills
1

Basic Routing

Learn fundamental routing concepts and basic route definitions.

  • Route definition basics
  • HTTP methods (GET, POST, PUT, DELETE)
  • Route paths and patterns
  • Request and response objects
  • Route handlers
  • Multiple route handlers
  • Route callback functions
  • Basic error handling
2

Route Parameters

Master dynamic routing with URL parameters and wildcards.

  • Route parameters (:id)
  • req.params object
  • Multiple parameters
  • Optional parameters
  • Wildcard routes (*)
  • Parameter validation
  • Parameter middleware
  • Nested parameters
3

Query Strings & Forms

Handle query parameters and form data in your routes.

  • Query string parsing
  • req.query object
  • Form data handling
  • req.body parsing
  • URL-encoded data
  • JSON request bodies
  • File uploads
  • Data validation
4

Express Router

Organize routes using Express Router for modular applications.

  • Router instance creation
  • Modular route organization
  • Router mounting
  • Nested routers
  • Router-level middleware
  • Route separation patterns
  • API versioning
  • Router best practices
5

Middleware Integration

Integrate middleware functions with routing for enhanced functionality.

  • Application-level middleware
  • Router-level middleware
  • Route-specific middleware
  • Middleware execution order
  • Built-in middleware
  • Third-party middleware
  • Custom middleware creation
  • Middleware error handling
6

Route Patterns & RegEx

Create advanced route patterns using regular expressions.

  • String patterns
  • String pattern wildcards
  • Regular expression routes
  • Pattern matching
  • Route precedence
  • Complex route patterns
  • Route optimization
  • Pattern debugging
7

Error Handling

Implement comprehensive error handling in your routes.

  • Error-handling middleware
  • 404 error handling
  • Custom error responses
  • Error status codes
  • Async error handling
  • Error logging
  • Production error handling
  • Error recovery strategies
8

RESTful API Design

Design RESTful APIs with proper routing conventions.

  • REST principles
  • Resource-based URLs
  • HTTP method conventions
  • CRUD operations
  • Status code standards
  • API versioning strategies
  • Resource relationships
  • API documentation
9

Authentication & Security

Secure your routes with authentication and authorization.

  • Authentication middleware
  • JWT token handling
  • Session-based auth
  • Authorization patterns
  • Role-based access
  • Route protection
  • Security headers
  • Rate limiting
10

Advanced Routing