Javascript Patterns Jumpstart Guide Clean Up Your Javascript Code
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JavaScript Patterns JumpStart Guide (Clean Up Your JavaScript Code)
Are you writing a lot of JavaScript code and finding that it's growing into an unmanageable mess? In this concise and focused jump start guide you'll learn how to fix common problems such as function spaghetti code and pollution of the global scope, and gain the skills necessary to write clean JavaScript code. By applying patterns, JavaScript code can be made more modular and easier to work with and that's really the overall purpose of this guide. You'll be provided with focused tips and sample code that will help you write maintainable, re-usable and consistent JavaScript.Key concepts covered in this guide include: Function spaghetti code and why it's bad The role of closures Namespaces and global scope Different techniques for defining variables Working with JavaScript's prototype property The Prototype Pattern The Revealing Module Pattern The Revealing Prototype PatternThe sample code shown is also available as a download.
Clean Code in JavaScript
Get the most out of JavaScript for building web applications through a series of patterns, techniques, and case studies for clean coding Key Features Write maintainable JS code using internal abstraction, well-written tests, and well-documented code Understand the agents of clean coding like SOLID principles, OOP, and functional programming Explore solutions to tackle common JavaScript challenges in building UIs, managing APIs, and writing states Book Description Building robust apps starts with creating clean code. In this book, you'll explore techniques for doing this by learning everything from the basics of JavaScript through to the practices of clean code. You'll write functional, intuitive, and maintainable code while also understanding how your code affects the end user and the wider community. The book starts with popular clean-coding principles such as SOLID, and the Law of Demeter (LoD), along with highlighting the enemies of writing clean code such as cargo culting and over-management. You'll then delve into JavaScript, understanding the more complex aspects of the language. Next, you'll create meaningful abstractions using design patterns, such as the Class Pattern and the Revealing Module Pattern. You'll explore real-world challenges such as DOM reconciliation, state management, dependency management, and security, both within browser and server environments. Later, you'll cover tooling and testing methodologies and the importance of documenting code. Finally, the book will focus on advocacy and good communication for improving code cleanliness within teams or workplaces, along with covering a case study for clean coding. By the end of this book, you'll be well-versed with JavaScript and have learned how to create clean abstractions, test them, and communicate about them via documentation. What you will learn Understand the true purpose of code and the problems it solves for your end-users and colleagues Discover the tenets and enemies of clean code considering the effects of cultural and syntactic conventions Use modern JavaScript syntax and design patterns to craft intuitive abstractions Maintain code quality within your team via wise adoption of tooling and advocating best practices Learn the modern ecosystem of JavaScript and its challenges like DOM reconciliation and state management Express the behavior of your code both within tests and via various forms of documentation Who this book is for This book is for anyone who writes JavaScript, professionally or otherwise. As this book does not relate specifically to any particular framework or environment, no prior experience of any JavaScript web framework is required. Some knowledge of programming is assumed to understand the concepts covered in the book more effectively.
Crafting Clean Code with JavaScript and React
Author: Héla Ben Khalfallah
language: en
Publisher: Springer Nature
Release Date: 2024-11-20
Understand the guiding principles of “clean code” and how it applies to modern front-end development, accessibility (a11y), semantics, performance, and the Green Web. Highlighting key topics ranging from the foundations of JavaScript and HTML to popular frameworks like React, this book provides best practices to ensure code and applications are easier, more efficient and cost effective to run. Using a web-based application as an example, you’ll begin by cleaning and improving its code base by dividing the JavaScript into smaller, reusable and composable functions without side effects. Then, you’ll improve the HTML code base by applying "Disability Driven Design" patterns, focusing on semantics before moving on to improving the architecture with a functional style (immutable, modular and composable). Because the web today needs to be green with reduced loading time and energy consumption, you’ll apply some tips and tricks to improve code performance and see how to best monitor it in a continuous and scalable way. What You’ll Learn See how the JavaScript engine works and memory management. Explore in greater detail key focus areas of accessibility and green computing Make applications easier and more cost-effective to run Look closely at clean and sustainable development using JavaScript and React Who This Book Is For Programmers, developers, engineers and product managers who are looking at cost-efficient ways to make their applications run more smoothly and efficiently.