OpenJS Node.js Application Developer (JSNAD) Certification Guide

This JSNAD certification provides you deep understanding and proficiency in Node.js application development. The book is packed with essential Node.js concepts, including asynchronous programming, middleware integration, and advanced routing techniques. You'll learn about testing strategies, deployment methodologies, and performance optimization. This book includes quick references and a glossary of advanced terms to revisit key concepts and really strengthen your understanding. You'll also find lots of practical exercises, knowledge checks and detailed explanations of Node.js functionalities.

And there's more! The book also offers access to sample projects and code repositories that mirrors the scenarios encountered in the certification exam. Each of these sample projects teaches you to put the newly learned skills of Node.js into practice.

Key Learnings

• Explore Node.js architecture and the event-driven, non-blocking I/O model.
• Get skilled in asynchronous programming using callbacks, promises, and async/await.
• Explore robust middleware solution for efficient request handling in Express.js.
• Write unit tests using Mocha and Chai to ensure your code is reliable.
• Use Jest to test the full range of Node.js applications.
• Set up secure environment variables for different stages of deployment.
• Profile and manage your applications' memory to improve performance.
• Deploy your Node.js applications using PM2 and configure Nginx as a reverse proxy.
• Create CI/CD pipelines with GitHub Actions for automated testing and deployment.

Table of Content

1. Advanced Node.js Concepts
2. Module Systems and Package Management
3. Process Management and System Interaction
4. Network Programming and Security
5. File Systems and Data Streams
6. Advanced APIs and Utility Modules
7. Performance Optimization and Testing