Async Programming in Node.js: Callbacks, Promises, and Async/Await
Master Asynchronous JavaScript for Scalable Backend Applications
Master asynchronous programming in Node.js with callbacks, promises, and async/await. Learn to build scalable backend applications with practical examples and production-ready techniques.
About This Book
Quick Overview
Master asynchronous programming in Node.js with callbacks, promises, and async/await. Learn to build scalable backend applications with practical examples and production-ready techniques.
Key Topics Covered
- Asynchronous programming
- Node.js Event Loop
- Callback patterns
- Promise implementation
- Async/await syntax
- Error handling strategies
- File system operations
- HTTP request handling
- Database operations
- Race condition management
- Request queuing
- Throttling techniques
- Async debugging
- Testing async code
- Code migration strategies
- Production deployment patterns
Who Should Read This Book
JavaScript developers learning Node.js, Backend developers transitioning to Node.js, Intermediate Node.js developers, Full-stack developers, API developers, Real-time application builders, Database integration developers, DevOps engineers working with Node.js applications
Prerequisites
Basic JavaScript knowledge, familiarity with functions and objects, understanding of Node.js basics, command line experience, npm package management knowledge
Table of Contents
About This Publication
This comprehensive guide to asynchronous programming in Node.js is designed to take developers from fundamental concepts to production-ready implementations. You'll master the three core asynchronous patterns that power modern Node.js applications: callbacks, promises, and async/await. **What You'll Learn:** Starting with the Node.js event loop, you'll understand the foundation of non-blocking operations. You'll then progress through each asynchronous pattern, learning implementation techniques, error handling strategies, and best practices for maintainable code. **Practical Application:** The book emphasizes real-world scenarios including file system operations, HTTP requests, database interactions, and advanced patterns like race condition handling and request throttling. Each chapter builds upon previous concepts, ensuring a solid foundation for complex async programming. **Production Focus:** Beyond basic syntax, you'll learn debugging techniques, testing strategies, and configuration approaches that ensure your async code performs reliably in production environments. The comprehensive appendices provide additional resources for ongoing development success.
Book Details
- Format
- File Size
- 2.3 MB
- Chapters
- 16
- Code Examples
- 99
- Exercises
- 99
- Difficulty Level
- beginner
- Reading Time
- 26-30
Special Features
- 16 comprehensive chapters with progressive difficulty - Real-world code examples and practical scenarios - Production-ready implementation techniques - Complete error handling strategies for each async pattern - Hands-on file system, HTTP, and database operation examples - Advanced patterns for race conditions and request management - Comprehensive debugging and testing guidance - Four detailed appendices with additional resources - Migration checklists for upgrading legacy code - ESLint configuration templates for code quality - Popular async library recommendations and usage patterns - Clear explanations suitable for intermediate to advanced developers
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