 Название: OpenJS Node.js Application Developer (JSNAD) Certification Guide: A complete practical study guide to become a Node.js certified developer with 100+ sample programs demonstrated
Автор: Loira Venith
Издательство: GitforGits
Год: October 15, 2024
Страниц: 424
Язык: английский
Формат: pdf, epub
Размер: 10.1 MB
Get certified in Node.js application development and take your career to the next level! The JSNAD certification is your ticket to proving your deep understanding and proficiency in Node.js application development. This fantastic book is perfect for anyone aiming to ace the JSNAD exam.
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 reference guides and a glossary of advanced terms, making it easy to revisit key concepts and really cement your understanding. You'll also find lots of practical exercises and knowledge checks throughout the book, which are great for checking your understanding and spotting areas you can improve on. You'll find detailed explanations of complex topics that demystify intricate Node.js functionalities, making them accessible and comprehensible.
I'm going to take us on a deep dive into some advanced Node.js concepts that are essential for building efficient and high-performance applications. We'll start by taking a closer look at the ins and outs of the Node.js event loop, which is the core mechanism that makes non-blocking I/O and asynchronous operations possible. It's really important to understand how the event loop works if you want to make your code more efficient and avoid performance issues. We'll take a look at each phase of the event loop, see how it handles callbacks, and learn how to use this knowledge to write more efficient code. We'll also look at how to use asynchronous programming patterns, including callbacks, promises, and async/await. Once you're familiar with these patterns, you can write cleaner, more maintainable code and handle complex asynchronous flows more effectively.
Next, we'll take a closer look at buffers and binary data handling, which is really important when you're dealing with files, network communication, and cryptography. You'll learn how Node.js handles binary data with buffers, how to read and write binary streams, and how to use buffers for different applications. We'll also show you how to handle errors and debug your code so that your applications are solid and dependable. You'll learn the best ways to handle errors, check out debugging tools like the Node.js debugger, and use logging techniques to make troubleshooting easier.
And there's more! The book also offers access to sample projects and code repositories, providing hands-on experience that mirrors the scenarios encountered in the certification exam. These projects are the perfect chance for learners to put their new skills into practice, building amazing, robust Node.js applications that can scale to any challenge!
Key Learnings:
Master Node.js architecture and the event-driven, non-blocking I/O model.
Master asynchronous programming using callbacks, promises, and async/await.
Implement a 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.
Prerequisites:
If you're a seasoned developer looking to formalize your expertise with a certification or a newcomer aiming to establish a strong foundation in Node.js, this book is your ticket to success! It will equip you with the knowledge and confidence you need to soar.
Contents:
Advanced Node.js Concepts
Module Systems and Package Management
Process Management and System Interaction
Network Programming and Security
File Systems and Data Streams
Advanced APIs and Utility Modules
Performance Optimization and Testing
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OpenJS Node.js Application Developer (JSNAD) Certification Guide 
