Secrets of the JavaScript Ninja, Second Edition
Tags
Summary
Secrets of the JavaScript Ninja, Second Edition is the simplified Chinese edition of Secrets of the JavaScript Ninja, Second Edition, co-authored by John Resig, the father of jQuery, Bear Bibeault, and Josip Maras, and translated by the Yixin Yiyi front-end translation team. The book runs 429 pages, about 605,000 characters, and is divided into four parts, 14 chapters, and three appendices. Part 1, "Warm-up," begins with JavaScript's place among languages and its runtime environments, and explains how browsers execute scripts during page construction. Part 2, "Understanding Functions," is the heart of the book: function definitions and arguments, invocation patterns and this binding, closures and the scope chain, and the generators and Promises introduced by ES6. Part 3, "Digging into Objects and Fortifying Your Code," discusses object-oriented programming and the prototype chain, getters/setters and proxy-style access control, collection types such as Map and Set, regular expressions, and code modularization. Part 4, "Knowing the Browser," turns to practice: DOM manipulation, the event mechanism (including the event loop and timers), cross-browser development techniques, and compatibility handling. The appendices supplement ES6 additional features, testing and debugging tools, and answers to the chapter exercises. The book does not aim to catalog APIs; instead, through runnable examples it repeatedly dismantles concepts easily understood only superficially—"functions are first-class citizens," "prototypal inheritance," and "closure capture"—and explains how popular frameworks are implemented under the hood. It suits front-end developers who can already write basic JavaScript and want to truly understand the language's mechanics and browser behavior.
Editor's review
市面上讲 JavaScript 的书很多，大多停留在语法与 API 层面；能把「函数、闭包、原型」这三块真正说透的却不多，而这正是本书的立足之处。作者之一是 jQuery 的创造者 John Resig，他对函数式写法与浏览器差异的理解，直接体现在书里大量精心设计的示例中——每个示例都指向一个具体的认知误区，而不是为演示而演示。 第 2 版相比第 1 版改动很大：补充了 ES6/ES7 的生成器、Promise、Map/Set、模块化等新特性，篇幅从偏「库开发」转向「语言机制＋浏览器实战」的均衡结构，四部分层层递进，读完能形成一条完整的心智地图。第 5 章闭包与作用域、第 7 章原型、第 13 章事件循环尤其值得反复读。 翻译由一心一译前端小组承担，术语基本沿用社区通行译法，代码保持原样，阅读障碍不大。对于想从「会写」跨到「懂为什么这么写」的前端开发者，这是一本性价比很高的进阶书。
Who it's for
A good fit for
- 已能用 JavaScript 完成页面交互、想搞懂语言底层机制的前端开发者
- 准备面试、需要系统梳理闭包、原型、this、事件循环等考点的求职者
- 使用 React、Vue 等框架但不清楚其底层原理的工程师
- 计算机相关专业、有一定编程基础并打算进入 Web 前端方向的学生
Not a good fit for
- 完全没有编程经验、尚未写过任何 JavaScript 代码的零基础读者
- 希望找一本可以照抄代码快速上手的项目实战手册的读者
- 只想了解某个特定框架用法、不关心语言机制的人
Reading tips
- 按四个部分的顺序读，第 2 部分函数与闭包是全书地基，不要跳读。
- 每章的示例代码务必亲手敲一遍并改参数观察结果，光看容易产生「懂了」的错觉。
- 读完一章做配套习题，附录 C 的答案用于对照，重点关注思路差异。
- 把第 5、7、13 章作为长期案头参考，遇到 this、原型、事件顺序问题时回查。
About the publisher
Posts & Telecom Press
China · Founded in 1953
Posts & Telecom Press is known for its strengths in science and technology, computing, and information and communications titles, and has extended its publishing into photography, art, software learning, and inspirational growth, giving it a fairly diverse range. Its catalog includes computing and communications works such as Refactoring and Patterns (Revised Edition) and Huawei Switch Learning Guide (Second Edition), alongside bilingual collector's editions such as The Little Prince (Chinese-English-French illustrated collector's edition), The Great Gatsby, and Three Days to See. Beijing Ten Years: 1980-1990 and Ghost Blade: WLOP Personal Illustration Collection reflect its presence in photography and art. Its authors include Antoine de Saint-Exupéry, Helen Keller, Joshua Kerievsky, Wang Da, Zhang Zhaozeng, and WLOP.
Contents
- Copyright Information
- Content Summary
- About the Translators
- About the Authors
- Acknowledgments
- Foreword
- Preface
- ES6 Quick Reference
- Part 1 Warm-up
- Chapter 1 JavaScript Everywhere
- Chapter 2 The Page Building Process at Runtime
- Part 2 Understanding Functions
- Chapter 3 A Beginner's First Lesson on Functions: Definitions and Arguments
- Chapter 4 Advanced Functions: Understanding Function Invocation
- Chapter 5 Mastering Functions: Closures and Scope
- Chapter 6 Functions of the Future: Generators and Promises
- Part 3 Digging into Objects and Fortifying Your Code
- Chapter 7 Object-Oriented Programming and Prototypes
- Chapter 8 Controlling Object Access
- Chapter 9 Working with Collections
- Chapter 10 Regular Expressions
- Chapter 11 Code Modularization
- Part 4 Knowing the Browser
- Chapter 12 DOM Manipulation
- Chapter 13 Evergreen Events
- Chapter 14 Cross-Browser Development Techniques
- Appendix A Additional ES6 Features
- Appendix B Weapons for Testing and Debugging
- Appendix C Answers to Exercises
FAQ
第2版和第1版差别大吗，需要重买吗？
差别较大。第 2 版删改了部分围绕「自己造一个 JS 库」的章节，新增生成器、Promise、Map/Set、模块化等 ES6 内容，并把重点放在函数、原型与浏览器机制上。已有第 1 版的读者若想覆盖现代语法，值得换第 2 版。
需要什么基础才能读这本书？
至少能独立用 JavaScript 写函数、操作 DOM、处理基本事件。书中不讲解变量、循环、数组基础语法，直接从函数定义与调用机制切入，零基础读者容易在第 3、4 章卡住。
书中内容会过时吗？
书中讲解的闭包、原型链、作用域、事件循环、DOM 与跨浏览器策略属于长期稳定的核心知识，不会因框架更替而过时。生成器与 Promise 部分略显早期，可结合最新的 async/await 资料对照阅读。
这本书适合当面试复习资料吗？
适合作为理解型复习材料。它对 this 绑定、闭包捕获、原型继承、事件循环的讲解比多数面试题解更深入，但书中没有按面试题形式组织，需要读者自行提炼要点。
Comments
Find this book
This site is an index: you start “Search all sources” in your browser, and the entries it lists all point to third-party sites; please judge their availability yourself.
