Node.js for Beginners in the New Era

Name: Node.js for Beginners in the New Era
ISBN: 9787302487807

李锴Tsinghua University Press2018

3.4

Word count: 474K words
Chapters: 14
Series: Web Front-End Technology Series
ISBN: 9787302487807

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Summary

"Node.js for Beginners in the New Era" is a Node.js primer by Li Kai in Tsinghua University Press's "Web Front-End Technology Series," consisting of 8 main chapters plus 6 appendices and aimed at readers with no Node.js experience at all. Responding to the arrival of new standards such as ES2015 (ES6) and the outdated content of earlier Chinese Node.js books, this book explains Node.js's core features against newer specifications: starting from concepts such as the relationship between Node and JavaScript, callbacks, synchronous versus asynchronous, single-threaded versus multi-threaded, and parallel versus concurrent, it clarifies runtime mechanisms such as the Event Loop and process.nextTick; it then systematically introduces commonly used modules, including the Module and require mechanism, Buffer, File System, HTTP services and proxies, TCP and Socket, SSL/HTTPS, WebSocket, Stream, Events, and child_process multi-process services. At the language level, the book writes Node programs using ES6 syntax; on asynchronous programming, it discusses ways of writing asynchronous code such as callbacks and Promises; on engineering practice, it builds a website with Koa2 and walks through the development of a complete crawler system, also touching on testing and debugging and error handling in Node. The appendices supplement background knowledge on processes, threads, and coroutines, a brief introduction to Lua, developing a Node web framework from scratch, MongoDB and Redis, using Docker for virtualization, and npm and package management. The author emphasizes starting from zero and grounding everything in practical application, so that readers understand Node.js's place in real projects and its potential pitfalls; the book suits beginners and can also serve as a reference for universities and training institutions.

Editor's review

Node.js 的中文书不少，但很多成书较早，讲的还停留在 ES5 时代的写法。这本书的定位很明确：用当时的“新时期”视角重讲一遍 Node.js 入门。第一，基础讲得透。开篇没有急着敲代码，而是先把回调、同步/异步、阻塞/非阻塞、单线程/多线程、并行/并发这几组容易混淆的概念分开讲清，再落到事件循环与 process.nextTick，这恰恰是新手踩坑最多的地方。第二，覆盖面完整。常用模块一章从 Module、require 机制一路讲到 Buffer、FS、HTTP、TCP、SSL/HTTPS、WebSocket、Stream、Events 和 child_process，基本把写服务端程序需要的部件都过了一遍；附录又补了进程线程协程、MongoDB/Redis、Docker、npm 包管理等背景知识。第三，有项目、有闭环。全书用 Koa2 搭建站点、开发一个爬虫系统，还专门讲测试调试与错误处理，读者能走完从语法到可用小应用的路径。作者李锴有 Web 前端的一线开发经历，书中对 Node 在大型项目中定位与陷阱的说明也更贴近实际。需要注意，技术书有保质期：书中以 Koa2 等当时的技术栈为主，今天再读建议配合新版文档使用。

Who it's for

A good fit for

完全没接触过 Node.js、想系统入门的前端或后端初学者
有 JavaScript 基础，想搞清事件循环与异步机制的学生
需要快速上手写小型 Web 服务或爬虫的开发者
高校与培训机构 Node.js 相关课程的师生参考

Not a good fit for

希望学习最新版本 Node.js 与当代框架（如新版 Koa/Express、TypeScript 方案）的读者
已有多年 Node.js 实战经验、想深入源码或性能调优的资深工程师
只想找现成项目模板、不打算理解底层机制的读者

Reading tips

先读第1章，把回调与事件循环弄明白，再动手写代码，后面会顺很多。
第2章模块部分建议边读边敲，每个模块写一个小 demo 验证。
第5、6章的 Koa2 与爬虫项目可作为一个完整练习，从搭建到调试跑通一遍。
技术栈更新较快，读时配合 Node.js 官方文档核对 API，遇到已废弃写法以官方为准。

About the publisher

Tsinghua University Press China · Founded in 1980

Founded in 1980, Tsinghua University Press has 57 titles in our collection, covering popular science, medicine, health, law, philosophy and social sciences. Representative works include medical popular-science books such as Cancer Truth: Doctors Are Reading It Too and New Knowledge on Cancer by Bo Luo (Li Zhizhong), legal titles such as Sunshine Is the Best Preservative: Express Delivery of Major Global Anti-Corruption Cases, and works like Qi Ge's A Brief History of Philosophy with Big Ideas and Liu Yunhao's From the Internet to a New Industrial Revolution. Its authors include science writers, medical researchers, the Renmin University of China anti-corruption master's class and university scholars, reflecting a publishing profile that balances academic seriousness with accessible reading. As public information is limited, this profile is based only on the titles in our collection.

Chapter 1 Fundamentals (What Node Is, Internal Mechanisms, the Event Loop)
Chapter 2 Common Modules (Module, Buffer, File System, HTTP Services, TCP and SSL, WebSocket, Stream, Events, Multi-Process)
Chapter 3 Writing Node with ES6
Chapter 4 Writing Asynchronous Code
Chapter 5 Building Websites with Koa2
Chapter 6 Developing a Crawler System
Chapter 7 Testing and Debugging
Chapter 8 Error Handling in Node
Appendix A Processes, Threads, and Coroutines
Appendix B A Brief Introduction to Lua
Appendix C Developing a Node Web Framework from Scratch
Appendix D A Brief Introduction to MongoDB and Redis
Appendix E Using Docker for Virtualization
Appendix F npm and Package Management

FAQ

这本书适合零基础学 Node.js 吗？

适合。书中明确面向未接触过 Node 的读者与在校学生，开篇从 Node 与 JavaScript 的关系、回调、事件循环等基础概念讲起，再由常用模块过渡到项目实践，不需要先有 Node 经验，但最好具备基本的 JavaScript 语法基础。

书里用的是哪个版本的 Node.js 和什么框架？

本书以 ES2015（ES6）等新标准为背景编写，正文用 ES6 语法书写 Node 代码，Web 部分以 Koa2 构建站点，并包含一个爬虫系统案例；附录还涉及 MongoDB、Redis、Docker 与 npm 包管理等内容。具体版本细节请以纸质书正文为准。

这本书的目录和篇幅大概是什么规模？

全书共8章正文加6个附录，出版社登记字数为474千字，平装16开、279页，定价49元，由清华大学出版社2018年1月出版，ISBN 为 9787302487807。

这本书今天读还合适吗？会不会过时？

作为入门读物，其基础部分（事件循环、Buffer、Stream、HTTP/TCP、多进程等）仍然有效。但书中技术栈定位于出版当时，Koa2 等工具的用法与生态已有变化，建议把本书当作理解机制的地图，动手时对照 Node.js 官方文档与当前主流版本。

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About the author

李锴 Author

Li Kai is an author about whom very limited public information is available; his English name, nationality, and dates of birth and death cannot be confirmed from public sources. Only one work by him is currently held in the collection, Li Tiejun's Literary Selections (Li Tiejun Wenchao), which is classified under Eastern philosophy and serves as the main basis for understanding his writing. Judging from the title, "literary selections" suggests an anthology or collection of essays, possibly including learned discussions, notes, or miscellaneous writings that correspond to the focus on Eastern philosophy. Because there are no reliable records of his life, teachers, or historical background, it is not possible to determine his intellectual origins or historical standing; readers can only appreciate the character of his writing through this single text. Overall, Li Kai remains an author whose materials await further discovery, and the length and circulation of his work are also unclear. Researchers seeking a deeper discussion would still need more documentary evidence.