Angelo Vertti, 18 de setembro de 2022

But we can communicate explicitly about it, ensuring that its functionality is clear and expected. Book Description Get the most out of JavaScript for building web applications through a series of patterns, techniques, and case studies for clean coding Key FeaturesWrite maintainable JS code using internal abstraction, well-written tests, and well-documented . For example, Chapter19. He later contributed to the jQuery library itself and authored a chapter within the jQuery Cookbook published by O'Reilly Media. And so we must design our code to deliver that purpose. Sometimes you are bitten by this freedom and it becomes tempting to do. What if that other library was just using `, the difference between the first and last elements of an array? This seems like an impossible task. titles available from more than 1,000 publishers, customer reviews with an average rating of 9.5, digital pages viewed over the past 12 months, institutions using Bookshelf across 241 countries. Publisher (s): Packt Publishing. Cloning big objects can be very expensive in terms of performance. This book covers the following exciting features: If you feel this book is for you, get your copy today! Later, you'll cover tooling and testing methodologies and the importance of documenting code. [There are good, resources](https://github.com/petkaantonov/bluebird/wiki/Optimization-killers), for seeing where optimization is lacking. Because of this, make your code read that way. By the end of the book, we should be able to say that we have complete knowledge of multiple layers of clean code, from individually readable lines of code to well-designed and reliable architectures. Note: objects and arrays that are destructured from the argument object are NOT, 4. and you can chain further class methods onto it. Use them! The measuring units are inconsistent, as is the punctuation and the wording. Clean Code in JavaScript Develop reliable, maintainable, and robust JavaScript James Padolsey Book details Book preview Table of contents Citations About This Book Get the most out of JavaScript for building web applications through a series of patterns, techniques, and case studies for clean coding Key Features A tag already exists with the provided branch name. Clean Code in JavaScript. When we convey instructions, we are expressing our intent to the world; we are saying These are the things that I want to occur. Key Features. website sells medication to hospitals around the world. Dive in for free with a 10-day trial of the OReilly learning platformthen explore all the other resources our members count on to build skills and solve problems every day. If a pattern is not being followed then it creates more work for our brains. The word 'Packt' and the Packt logo are registered trademarks belonging to Access the full title and Packt library for free now with a free trial. If you have already purchased a print or Kindle version of this book, you can get a DRM-free PDF version at no cost.Simply click on the link to claim your free PDF. These tenets will be lending us a vital perspective as we go on to study the many facets of JavaScript and how we can wield it in the service of clean code. Remember. 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. Organization: PACKT: Publication Date: 20 January 2020: Page Count: 527: scope: Get the most out of JavaScript for building web applications through a series of patterns, techniques, and case studies for clean coding. Imagine the headaches and needless pain involved in such a misunderstanding. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. In cases. There are also live events, courses curated by job role, and more. are pretty rare. Learn more about the CLI. Exclusive Early access to books as they're written. const MILLISECONDS_PER_DAY = 60 * 60 * 24 * 1000; //86400000; setTimeout(blastOff, MILLISECONDS_PER_DAY); const address = "One Infinite Loop, Cupertino 95014"; const cityZipCodeRegex = /^[^,\\]+[,\\\s]+(.+? Saleem Siddiqui, Your code is a testament to your skills as a developer. When a plumber is hired to fix a tap on a sink, should they only consider the function of the tap itself, or the sink into which it pours? And so, the problem domain of writing JavaScript in the browser, for example, includes the complexity of HTTP, the browser object model, the DOM, CSS, and a litany of other details. A huge benefit of this is that it reduces, the coupling between modules. Respecting the users' needs. All of the code is organized into folders. do more than one thing, they are harder to compose, test, and reason about. The language doesn't require us to. Cut about three hundred grams of butter (small cubes! // Declare them as capitalized named constants. Packt Publishing Limited. And to what end? Having said this, if you can make. This matters in the design of massive projects but also in the implementation of the smallest JavaScript utilities and components. - Makes adding validation simple when doing a `. Save up to 80% versus print by going digital with VitalSource. View all OReilly videos, Superstream events, and Meet the Expert sessions on your home TV. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. For now, it's enough to say this: in every line of code you write, you are using, creating, and communicating abstractions. The book addresses several issues to raise awareness before, during and after writing the code. Get Clean Code in JavaScript now with the OReilly learning platform. In the following chapters of this book, we'll learn more about what it takes to craft a good abstraction. We can see the difference if we were writing code only for the machine, focusing purely on function, and forgetting the human audience. This creates a great challenge: among all of this change, while being pushed and pulled in different directions, how can we know how to write the best possible code? Subscribe to our online digital library for full access to over 7,000 books and videos, as well as industry leading tools to help you plan your personal development and advance your career. It teaches concepts that transcend the language of JavaScript (clean code, smart abstractions, architectural patters, working with others, etc.). Anything more than that should be consolidated. You'll then delve into JavaScript, understanding the more complex aspects of the language. Due to its large file size, this book may take longer to download, 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, 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. The unwitting customers who are attempting to enter their addresses? Building robust apps starts with creating clean code. Youll write functional, intuitive, and maintainable code while also understanding how your code affects the end user and the wider community. One day later he comes up with the following contraption: We can see, quite obviously, that Matthew has forgotten one key component. The problem domain encapsulates not only the problem being encountered by the user but also the problem of meeting their needs via the technologies we have available. Later, you'll cover tooling and testing methodologies and the importance of documenting code. We might refactor the preceding code to be more consistent, like so: Here, we've used a single naming pattern and have employed consistent syntax and spacing in every statement. We can even say it is a form of communication, a way to relay information and intent. config.buttonText = config.buttonText || "Baz"; config.cancellable !== undefined ? Comments are an apology, not a requirement. By the end of this book, youll be well-versed with JavaScript and have learned how to create clean abstractions, test them, and communicate about them via documentation. The book felt a little rushed. Most things can be refactored to have no side effects! We'll be discussing the following: At its simplest, we know that programming is about instructing computers, but what are we instructing them to do? Use Git or checkout with SVN using the web URL. Mastering Clean Code in JavaScript [Video], This book & 6500+ ebooks & video courses on 1000+ technologies, 60+ curated reading lists for various learning paths, 50+ new titles added every month on new and emerging tech, Early Access to eBooks as they are being written, Customised display settings for better reading experience, Playlists, Notes and Bookmarks to easily manage your learning, Download this book in EPUB and PDF formats, DRM FREE - Read whenever, wherever and however you want, Online reader with customised display settings for better reading experience, Get a paperback copy of the book delivered to your specified Address*, DRM FREE - Watch whenever, wherever and however you want, Online reader with customised display settings for better learning experience, Download a zip folder consisting of audio files (in MP3 Format) along with supplementary PDF, Very helpful for deveolpers who know basic of javascript, Unlock this video with a 7-day free trial. Polluting globals is a bad practice in JavaScript because you could clash with another, library and the user of your API would be none-the-wiser until they get an, exception in production. 2. Luckily, this isn't a big issue in practice because there are, [great libraries](https://facebook.github.io/immutable-js/) that allow, this kind of programming approach to be fast and not as memory intensive as. These ebooks can only be redeemed by recipients in the US. // BAD: Returns 25 for Square. It's a fragile system. Have one service that does it. Prior JavaScript programming knowledge is essential. Like many rules herein, there is no hard and fast. they want. A machine must be instructed with enough specificity to carry out every step. Building robust apps starts with creating clean code. He later contributed to the jQuery library itself and authored a chapter within the jQuery Cookbook published by O'Reilly Media. 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