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Modern Asynchronous Javascript

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Modern Asynchronous Javascript

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Author : Faraz K. Kelhini
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2021-12-17

Modern Asynchronous Javascript written by Faraz K. Kelhini and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-17 with Computers categories.

JavaScript today must interact with data-intensive APIs and networks. The solution is a program that can work asynchronously instead of finishing tasks in order. In modern JavaScript, instead of callbacks you'll use promises to improve your application's performance and responsiveness. JavaScript features introduced in ES2020, ES2021, and ESNext like Promise.allSettled(), Promise.any(), and top-level await help you develop small, fast, low-profile applications. With the AbortController API, cancel a pending async request before it has completed. Modern Asynchronous JavaScript gives you an arsenal of tools to build programs that always respond to user requests, recover quickly from difficult conditions, and deliver maximum performance. Applications today must work with information on remote servers, and users expect a quick response to complex interactions at all times, whether on a high-speed 5G cellular network or slow public WiFi. JavaScript provides developers with advanced tools to coordinate the asynchronous parts of their code efficiently and deliver responsive programs. Faster applications equal happier users, which is the promise of asynchronous JavaScript. With Modern Asynchronous JavaScript you'll learn techniques for managing your async code. Features like ES2021 Promise.any() allow you to safeguard your async code from external issues that are out of your control like server downtime. You'll discover secret weapons like top-level await to initialize resources, define dependency paths dynamically, and load dependencies with a fallback implementation. You'll even learn to how to set a time limit for async requests and react if they take too long to complete. Fast, reliable applications are a must in today's world, where users demand increasingly greater amounts of data on mobile devices. Asynchronous programming may require more cautious planning than synchronous programming but the outcome is rewarding. Asynchronous JavaScript allows you to write code that is nimble but reliable, leading to programs that load faster, respond quicker, and most importantly that you can trust to function properly. What You Need: You'll need an intermediate level of JavaScript programming skills and a browser that supports features from ES2020, ES2021, and ESNext.

Modern Asynchronous Javascript

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Author : Faraz Kelhini
language : en
Publisher:
Release Date : 2021

Modern Asynchronous Javascript written by Faraz Kelhini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.

Javascript Async

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Author : Ian Elliot
language : en
Publisher:
Release Date : 2017-11-19

Javascript Async written by Ian Elliot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-19 with categories.

Asynchronous programming is essential to the modern web and at last JavaScript programmers have the tools to do the job - the Promise object and the async and await commands. These are so elegant in their design that you need to know about them if only to be impressed. It is likely that other languages will incorporate similar facilities in the future. While async and await make asynchronous code as easy to use as synchronous code there are a lot of subtle things going on and to really master the situation you need to know about Promises and you need to know how the JavaScript dispatch queue works. Written for experienced JavaScript developers who want to get to grips with the complexities of the language, JavaScript Async guides you through the story of async. It starts with Events, which is where asynchronous programming originates, but it quickly becomes apparent that you need additional ways of dealing with long running tasks. The most basic solution is the callback and this is where async programming starts to become difficult. JavaScript used to be a single-threaded language, but with the introduction of the Web Worker you can write multi-threaded programs. Promises are the pinnacle of async programming in JavaScript and putting them together with the dispatch queue provides further advances. The way that async and await work with Promises is nothing short of amazing. The book concludes with a look at how async and await integrate with some of the latest JavaScript APIs that are based on the Promise object. The Service Worker is possibly the biggest change in the way JavaScript can be used to create programs that are just as happy being offline as online. Working with async can be confusing and disorienting, but by combining code examples and lucid explanations Ian Elliot presents a coherent explanation. If you want to work with async read this book first.

Reactive Programming With Rxjs 5

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Author : Sergi Mansilla
language : en
Publisher:
Release Date : 2018

Reactive Programming With Rxjs 5 written by Sergi Mansilla and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.

Reactive Programming With Rxjs 5

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Author : Sergi Mansilla
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2018-02-05

Reactive Programming With Rxjs 5 written by Sergi Mansilla and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-05 with Computers categories.

Reactive programming is revolutionary. It makes asynchronous programming clean, intuitive, and robust. Use RxJS 5 to write complex programs in a simple way, and master the Observable: a powerful data type that substitutes callbacks and promises. Think about your programs as streams of data that change and adapt to produce what you want. Manage real-world concurrency and write complex flows of events in your applications with ease. Take advantage of Schedulers to make asynchronous testing easier. The code in this new edition is completely updated for RxJS 5 and ES6. Create concurrent applications with ease using RxJS 5, a powerful event composition library. Real-world JavaScript applications require you to master asynchronous programming, and chances are that you'll spend more time coordinating asynchronous events than writing actual functionality. This book introduces concepts and tools that will greatly simplify the process of writing asynchronous programs. Find out about Observables, a unifying data type that simplifies concurrent code and eases the pain of callbacks. Learn how Schedulers change the concept of time itself, making asynchronous testing sane again. Find real-world examples for the browser and Node.js along the way: how about a real-time earthquake visualization in 20 lines of code, or a frantic shoot-'em-up space videogame? You'll also use Cycle.js - a modern, reactive, web framework - to make a new breed of web applications. By the end of the book, you'll know how to think in a reactive way, and to use RxJS 5 to build complex programs and create amazing reactive user interfaces. You'll also understand how to integrate it with your existing projects and use it with the frameworks you already know. All the code in this new edition has been thoroughly revised and updated for RxJS 5, ES6, and Cycle.js Unified. What You Need: NodeJS 6.x and a modern web browser

Async Javascript

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Author : Trevor Burnham
language : en
Publisher: Pragmatic Bookshelf
Release Date : 2012-11-28

Async Javascript written by Trevor Burnham and has been published by Pragmatic Bookshelf this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-28 with Computers categories.

With the advent of HTML5, front-end MVC, and Node.js, JavaScript is ubiquitous--and still messy. This book will give you a solid foundation for managing async tasks without losing your sanity in a tangle of callbacks. It's a fast-paced guide to the most essential techniques for dealing with async behavior, including PubSub, evented models, and Promises. With these tricks up your sleeve, you'll be better prepared to manage the complexity of large web apps and deliver responsive code. With Async JavaScript, you'll develop a deeper understanding of the JavaScript language. You'll start with a ground-up primer on the JavaScript event model--key to avoiding many of the most common mistakes JavaScripters make. From there you'll see tools and design patterns for turning that conceptual understanding into practical code. The concepts in the book are illustrated with runnable examples drawn from both the browser and the Node.js server framework, incorporating complementary libraries including jQuery, Backbone.js, and Async.js. You'll learn how to create dynamic web pages and highly concurrent servers by mastering the art of distributing events to where they need to be handled, rather than nesting callbacks within callbacks within callbacks. Async JavaScript will get you up and running with real web development quickly. By the time you've finished the Promises chapter, you'll be parallelizing Ajax requests or running animations in sequence. By the end of the book, you'll even know how to leverage Web Workers and AMD for JavaScript applications with cutting-edge performance. Most importantly, you'll have the knowledge you need to write async code with confidence. What You Need: Basic knowledge of JavaScript is recommended. If you feel that you're not up to speed, see the "Resources for Learning JavaScript" section in the preface.

Modern Javascript For The Impatient

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Author : Cay S. Horstmann
language : en
Publisher: Addison-Wesley Professional
Release Date : 2020-06-01

Modern Javascript For The Impatient written by Cay S. Horstmann and has been published by Addison-Wesley Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-01 with Computers categories.

Exploit the Power of Modern JavaScript and Avoid the Pitfalls JavaScript was originally designed for small-scale programming in web browsers, but modern JavaScript is radically different. Nowadays, JavaScript programmers actively embrace functional, object-oriented, and asynchronous programming, while deprecating error-prone concepts from the past. Modern JavaScript for the Impatient is a complete yet concise guide to JavaScript E6 and beyond. Rather than first requiring you to learn and transition from older versions, it helps you quickly get productive with today’s far more powerful versions and rapidly move from languages such as Java, C#, C, or C++. Bestselling programming author Cay S. Horstmann covers all you need to know, provided in small chunks organized for quick access and easy understanding. Horstmann’s practical insights and sample code help you take advantage of all that’s new, avoid common pitfalls and obsolete features, and make the most of modern JavaScript’s robust toolchains and frameworks. Quickly master modern JavaScript’s implementation of fundamental programming constructs Avoid legacy techniques that create unnecessary complexity and risk Make the most of functional, object-oriented, and asynchronous techniques Use modules to efficiently organize and run complex programs Write more powerful, flexible, and concise programs with metaprogramming Extend JavaScript’s power via JavaScript libraries, frameworks, and platforms Whether you’re just getting started with JavaScript or you’re an experienced developer, this guide will help you write tomorrow’s most robust, efficient, and secure JavaScript code. Register your book for convenient access to downloads, updates, and/or corrections as they become available. See inside book for details.

Practical Modern Javascript

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Author : Nicolas Bevacqua
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2017-06-26

Practical Modern Javascript written by Nicolas Bevacqua and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-26 with Computers categories.

To get the most out of modern JavaScript, you need learn the latest features of its parent specification, ECMAScript 6 (ES6). This book provides a highly practical look at ES6, without getting lost in the specification or its implementation details. Armed with practical examples, author Nicolas Bevacqua shows you new ways to deal with asynchronous flow control, declare objects or functions, and create proxies or unique sets, among many other features. The first title in Bevacqua’s Modular JavaScript series, Practical Modern JavaScript prepares JavaScript and Node.js developers for applied lessons in modular design, testing, and deployment in subsequent books. This book explains: How JavaScript and its standards development process have evolved Essential ES6 changes, including arrow functions, destructuring, let and const Class syntax for declaring object prototypes, and the new Symbol primitive How to handle flow control with Promises, iterators, generators, and async functions ES6 collection built-in types for creating object maps and unique sets How and when to use the new Proxy and Reflect built-ins Changes to Array, Math, numbers, strings, Unicode, and regular expressions, and other improvements since ES5

Javascript With Promises

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Author : Daniel Parker
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2015-06

Javascript With Promises written by Daniel Parker and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06 with Computers categories.

If you're a developer moving to an environments that make heavy use of asynchronous APIs, such as Node, WinRT, or Chrome packaged apps, this book how to make use of Promise constructs. JavaScript routinely supports asynchronous code, setting something up with no expectation of when a response might come back. Unfortunately, writing code in that style is difficult for humans, and Promises are a key set of tools for bridging that gap. This book shows you how to use these tools, and also demonstrates techniques that enable you to use features like IndexedDB or WebRTC. --

Mastering Javascript

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Author : Joy Sarker
language : en
Publisher: Independently Published
Release Date : 2023-06-11

Mastering Javascript written by Joy Sarker and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-11 with categories.

"Master JavaScript and unlock the full potential of web development with this comprehensive ebook. From the basics to advanced concepts, learn how to build interactive web applications, implement modern techniques and best practices, and deploy your projects with confidence. Explore JavaScript security, DOM manipulation, asynchronous programming, and more. Stay ahead of future trends like PWAs, WebAssembly, and AI integration. Whether you're a beginner or experienced developer, this ebook is your ultimate guide to mastering JavaScript and creating cutting-edge web solutions." "Are you ready to take your web development skills to the next level? Look no further! This ebook is your complete guide to mastering JavaScript, the language that powers the modern web. From the very basics of JavaScript to advanced concepts and techniques, this ebook covers it all. You'll learn how to set up your development environment, understand the core fundamentals of the language, manipulate the DOM, handle events, and work with asynchronous JavaScript for smoother and more responsive applications. But we don't stop there! Dive into the world of modern JavaScript as we explore modules and tooling, object-oriented programming, and best practices to write cleaner and more efficient code. Discover advanced concepts that will challenge your skills and help you become a JavaScript ninja. Building interactive web applications will be a breeze as you apply your knowledge to create dynamic user interfaces, handle data fetching and updates, and implement smooth animations and transitions. And don't worry about security-learn how to protect your JavaScript applications from common vulnerabilities and ensure the safety of your users' data. When it comes to deploying your applications, we've got you covered. Explore various deployment strategies, from static file hosting to leveraging CDNs and implementing CI/CD pipelines. Get your applications out into the world with confidence and efficiency. But that's not all! Get a glimpse into the future of JavaScript as we discuss emerging trends like progressive web applications (PWAs), WebAssembly, machine learning integration, serverless architecture, and augmented reality (AR) and virtual reality (VR) experiences. Whether you're a beginner or an experienced developer, this ebook provides a comprehensive and structured approach to learning JavaScript. Packed with practical examples, tips, and insights, it equips you with the skills and knowledge needed to excel in web development. So, are you ready to unlock the full potential of JavaScript? Get your hands on this ebook and embark on a journey that will transform you into a JavaScript pro. Elevate your web development game and create cutting-edge applications that impress and delight users. Start your JavaScript adventure today!"

Modern Asynchronous Javascript

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