JavaScript编程模式全书：最佳实践与代码范例

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《JavaScript Patterns》是一本由Stoyan Stefanov编著的专业书籍，专为JavaScript开发者提供开发应用程序的最佳实践和众多编程模式。这本书的核心关注点在于探讨在JavaScript编程中如何有效地设计和实现代码结构，以便优化性能、提高代码可读性和维护性。在当今的Web开发环境中，JavaScript是不可或缺的一部分，尤其随着前端技术的发展，如Node.js、React、Vue等框架的流行，对高质量JavaScript代码的需求日益增长。本书通过分享各种设计模式，帮助读者理解和掌握如何构建健壮、模块化的应用程序，避免常见的陷阱和误区。书中可能包含的内容包括但不限于： 1. **模块化编程**：介绍如何组织和分隔代码，以便于团队协作和代码复用，比如CommonJS和ES6模块系统的使用。 2. **设计模式应用**：如工厂模式、单例模式、观察者模式等，展示如何在JavaScript中优雅地解决常见问题。 3. **异步编程**：JavaScript是单线程语言，但通过回调、Promise和async/await等技术，如何处理非阻塞I/O操作和并发处理。 4. **错误处理与调试**：最佳实践，包括使用try/catch、Error对象、以及现代浏览器提供的工具进行代码调试。 5. **性能优化**：如何编写高效的代码，避免内存泄漏，提高DOM操作效率，以及利用现代浏览器的优化特性。 6. **测试与重构**：介绍单元测试、集成测试，以及如何遵循重构原则来保持代码的长期可维护性。《JavaScript Patterns》不仅适用于初级开发者提升技能，也是中级开发者进阶学习和经验分享的宝贵资源。此外，该书版权属于Yahoo! Inc.，并且强调了O'Reilly Media出版的印刷版和在线版本的购买选项，以及版权信息和出版细节，如编辑、生产编辑、校对团队等。阅读这本书，开发者将能够提升自己的编程技巧，更好地应对JavaScript开发中的复杂挑战，并在实际项目中灵活运用这些最佳实践。无论是在个人学习还是团队合作中，都能从中受益匪浅。

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xiv | Preface

www.it-ebooks.info

It is important to identify patterns because:

• They help us write better code using proven practices and not reinvent the wheel.

• They provide a level of abstraction—the brain can hold only so much at a given

time, so when you think about a more complex problem, it helps if you don’t bother

with the low-level details but account for them with self-contained building blocks

(patterns).

• They improve communication between developers and teams, which are often in

remote locations and don’t communicate face to face. Simply putting a label on

some coding technique or approach makes it easier to make sure we’re talking

about the same thing. For example, it’s easier to say (and think) “immediate func-

tion,” than “this thing where you wrap the function in parentheses and at the end

of it put another set of parentheses to invoke the function right where you’ve de-

fined it.”

This book discusses the following types of patterns:

• Design patterns

• Coding patterns

• Antipatterns

Design patterns are those initially defined by the “Gang of Four” book (named so after

its four authors), originally published in distant 1994 under the title Design Patterns:

Elements of Reusable Object-Oriented Software. Examples of design patterns are sin-

gleton, factory, decorator, observer, and so on. The thing about design patterns in

relation to JavaScript is that, although language-independent, the design patterns were

mostly studied from the perspective of strongly typed languages, such as C++ and Java.

Sometimes it doesn’t necessarily make sense to apply them verbatim in a loosely typed

dynamic language such as JavaScript. Sometimes these patterns are workarounds that

deal with the strongly typed nature of the languages and the class-based inheritance.

In JavaScript there might be simpler alternatives. This book discusses JavaScript im-

plementations of several design patterns in Chapter 7.

The coding patterns are much more interesting; they are JavaScript-specific patterns

and good practices related to the unique features of the language, such as the various

uses of functions. JavaScript coding patterns are the main topic of the book.

You might come across an occasional antipattern in the book. Antipatterns have a bit

of negative or even insulting sound to their name, but that needn’t be the case. An

antipattern is not the same as a bug or a coding error; it’s just a common approach that

causes more problems than it solves. Antipatterns are clearly marked with a comment

in the code.

2 | Chapter 1: Introduction

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JavaScript编程模式全书：最佳实践与代码范例

JavaScript Patterns (JavaScript模式)

JavaScript Patterns 无水印pdf

JavaScript模式中文[pdf] 百度云

那Patterns.psp 又是什么用呢

mlir中patterns.add<>()的作用是神那么

*** multiple target patterns. Stop.

patterns.add("/user/user/login");

JavaScript的英文文献引用

scintilla设置LUA语法

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