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Computer Science
Web Development
Express Framework
1. Introduction to Express.js
2. Prerequisites and Setup
3. First Express Application
4. Express Application Object
5. Request and Response Cycle
6. Routing Fundamentals
7. Advanced Routing
8. Middleware Architecture
9. Built-in Middleware
10. Custom Middleware Development
11. Third-Party Middleware
12. Data Handling
13. Static File Serving
14. Template Engines
15. Error Handling
16. Application Structure
17. Database Integration
18. Authentication and Authorization
19. Security Best Practices
20. Testing Express Applications
21. Performance Optimization
22. Deployment Preparation
23. Deployment Strategies
24. Monitoring and Maintenance
10.
Custom Middleware Development
10.1.
Middleware Function Structure
10.1.1.
Function Signature
10.1.2.
Parameter Usage
10.1.3.
Return Values
10.2.
Request Processing
10.2.1.
Request Modification
10.2.2.
Data Extraction
10.2.3.
Validation Logic
10.3.
Response Processing
10.3.1.
Response Modification
10.3.2.
Header Manipulation
10.3.3.
Content Transformation
10.4.
Error Handling in Middleware
10.4.1.
Error Detection
10.4.2.
Error Forwarding
10.4.3.
Error Recovery
10.5.
Middleware Best Practices
10.5.1.
Performance Considerations
10.5.2.
Security Implications
10.5.3.
Reusability
10.5.4.
Testing Strategies
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9. Built-in Middleware
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11. Third-Party Middleware