Download or read book Mastering JavaScript Promises written by Muzzamil Hussain and published by Packt Publishing Ltd. This book was released on 2015-07-24 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: JavaScript is a tool for the gurus who create highly useful applications, but it has some limitations. To overcome these limitations, a concept called JavaScript promises is rising rapidly in popularity. Promises makes writing complex logics more manageable and easy. This book starts with an introduction to JavaScript promises and how it has evolved over time. You will learn the JavaScript asynchronous model and how JavaScript handles asynchronous programming. Next, you will explore the promises paradigm and its advantages. Finally, this book will show you how to implement promises in platforms used in project development including WinRT, jQuery, and Node.js.

Download or read book Understanding JavaScript Promises written by Nicholas C. Zakas and published by Lulu.com. This book was released on 2022-04-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since promises were added to JavaScript in 2015, they have become an integral part of the language. A good understanding of how promises work is more important than ever in becoming a proficient JavaScript developer. This book begins by explaining the basic concepts behind promises, including what they are, how to use them, and how to create your own. You'll then build upon these basic concepts to learn how to chain promises together and how to respond to multiple promises at once. Once you've learned these advanced concepts, you'll move on to learn how promises work with async functions and how to track unhandled promise rejections. All of the concepts discussed are grounded in real world examples so you learn not just how to use a particular technique, but also why and when to use it. It doesn't matter if you're writing JavaScript for web browsers, Node.js, or Deno, this book will teach you everything you need to know about promises.

Download or read book Mastering Javascript written by Cybellium Ltd and published by Cybellium Ltd. This book was released on 2023-09-06 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cybellium Ltd is dedicated to empowering individuals and organizations with the knowledge and skills they need to navigate the ever-evolving computer science landscape securely and learn only the latest information available on any subject in the category of computer science including: - Information Technology (IT) - Cyber Security - Information Security - Big Data - Artificial Intelligence (AI) - Engineering - Robotics - Standards and compliance Our mission is to be at the forefront of computer science education, offering a wide and comprehensive range of resources, including books, courses, classes and training programs, tailored to meet the diverse needs of any subject in computer science. Visit https://www.cybellium.com for more books.

Download or read book Mastering JavaScript Object Oriented Programming written by Andrea Chiarelli and published by Packt Publishing Ltd. This book was released on 2016-06-29 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unleash the true power of JavaScript by mastering Object-Oriented programming principles and patterns About This Book Covering all the new Object-Oriented features introduced in ES6, this book shows you how to build large-scale web apps Build apps that promote scalability, maintainability, and reusability Learn popular Object-Oriented programming (OOP) principles and design patterns to build robust apps Implement Object-Oriented concepts in a wide range of front-end architectures Who This Book Is For This book is ideal for you if you are a JavaScript developers who wants to gain expertise in OOP with JavaScript to improve your web development skills and build professional quality web applications. What You Will Learn Master JavaScript's OOP features, including the one's provided by ES6 specification Identify and apply the most common design patterns such as Singleton, Factory, Observer, Model-View-Controller, and Mediator Patterns Understand the SOLID principles and their benefits Use the acquired OOP knowledge to build robust and maintainable code Design applications using a modular architecture based on SOLID principles In Detail ECMAScript 6 introduces several new Object-Oriented features that drastically change the way developers structure their projects. Web developers now have some advanced OOP functionality at their disposal to build large-scale applications in JavaScript. With this book, we'll provide you with a comprehensive overview of OOP principles in JavaScript and how they can be implemented to build sophisticated web applications. Kicking off with a subtle refresher on objects, we'll show you how easy it is to define objects with the new ES6 classes. From there, we'll fly you through some essential OOP principles, forming a base for you to get hands-on with encapsulation. You'll get to work with the different methods of inheritance and we'll show you how to avoid using inheritance with Duck Typing. From there, we'll move on to some advanced patterns for object creation and you'll get a strong idea of how to use interesting patterns to present data to users and to bind data. We'll use the famous promises to work with asynchronous processes and will give you some tips on how to organize your code effectively. You'll find out how to create robust code using SOLID principles and finally, we'll show you how to clearly define the goals of your application architecture to get better, smarter, and more effective coding. This book is your one-way ticket to becoming a JavaScript Jedi who can be counted on to deliver flexible and maintainable code. Style and approach This comprehensive guide on advanced OOP principles and patterns in JavaScript is packed with real-world use cases, and shows you how to implement advanced OOP features to build sophisticated web applications that promote scalability and reusability.

Download or read book JavaScript with Promises written by Daniel Parker and published by "O'Reilly Media, Inc.". This book was released on 2015-06 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. --

Download or read book Mastering JavaScript Functional Programming written by Federico Kereki and published by Packt Publishing Ltd. This book was released on 2017-11-29 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master Functional Programming techniques with this comprehensive guide for writing cleaner, safer, high-performing JavaScript codes About This Book Become proficient and skilled with Functional Programming in JavaScript to solve real-world development problems Successfully apply Functional Programming concepts and techniques to everyday JavaScript programming Bring modularity, reusability, testability, and performance to your web apps Who This Book Is For If you are a JavaScript developer and want to apply functional programming techniques, then this book is for you. Only a basic knowledge of the concepts of functional programming is required for this book. What You Will Learn Create more reliable code with closures and immutable data Convert existing methods into pure functions, and loops into recursive methods Develop more powerful applications with currying and function composition Separate the logic of your system from implementation details Implement composition and chaining techniques to simplify coding Use functional programming techniques where it makes the most sense In Detail Functional programming is a programming paradigm for developing software using functions. Learning to use functional programming is a good way to write more concise code, with greater concurrency and performance. The JavaScript language is particularly suited to functional programming. This book provides comprehensive coverage of the major topics in functional programming with JavaScript to produce shorter, clearer, and testable programs. You'll delve into functional programming; including writing and testing pure functions, reducing side-effects, and other features to make your applications functional in nature. Specifically, we'll explore techniques to simplify coding, apply recursion for loopless coding, learn ways to achieve immutability, implement design patterns, and work with data types. By the end of this book, you'll have developed the JavaScript skills you need to program functional applications with confidence. Style and approach This book takes an easy-to-follow, step-by-step tutorial approach. You will make the most of JavaScript programming with a focus on the progression of functional programming techniques, styles, and detailed information about JavaScript libraries.

Download or read book Mastering JavaScript Design Patterns written by Simon Timms and published by Packt Publishing Ltd. This book was released on 2016-06-29 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Write reliable code to create powerful applications by mastering advanced JavaScript design patterns About This Book Learn how to use tried and true software design methodologies to enhance your JavaScript code Discover robust JavaScript implementations of classic and advanced design patterns Packed with easy-to-follow examples that can be used to create reusable code and extensible designs Who This Book Is For This book is ideal for JavaScript developers who want to gain expertise in object-oriented programming with JavaScript and the new capabilities of ES-2015 to improve their web development skills and build professional-quality web applications. What You Will Learn Harness the power of patterns for tasks ranging from application building to code testing Rethink and revitalize your code with the use of functional patterns Improve the way you organize your code Build large-scale apps seamlessly with the help of reactive patterns Identify the best use cases for microservices Get to grips with creational, behavioral, and structural design patterns Explore advanced design patterns including dependency injection In Detail With the recent release of ES-2015, there are several new object-oriented features and functions introduced in JavaScript. These new features enhance the capabilities of JavaScript to utilize design patterns and software design methodologies to write powerful code. Through this book, you will explore how design patterns can help you improve and organize your JavaScript code. You'll get to grips with creational, structural and behavioral patterns as you discover how to put them to work in different scenarios. Then, you'll get a deeper look at patterns used in functional programming, as well as model view patterns and patterns to build web applications. This updated edition will also delve into reactive design patterns and microservices as they are a growing phenomenon in the world of web development. You will also find patterns to improve the testability of your code using mock objects, mocking frameworks, and monkey patching. We'll also show you some advanced patterns including dependency injection and live post processing. By the end of the book, you'll be saved of a lot of trial and error and developmental headaches, and you will be on the road to becoming a JavaScript expert. Style and approach Packed with several real-world use cases, this book shows you through step-by-step instructions how to implement the advanced object-oriented programming features to build sophisticated web applications that promote scalability and reusability.

Download or read book MASTERING JAVASCRIPT FROM THE FRONT END TO THE BACK END written by Marcel Souza and published by GAVEA LAB. This book was released on with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: ChatGPTUnlock the full potential of JavaScript with "Mastering JavaScript: From the Front-End to the Back-End." Whether you're a coding novice or a seasoned developer, this comprehensive guide is your key to mastering the versatile world of JavaScript. Dive into the intricacies of front-end development and discover how to create stunning user interfaces and engaging web experiences using JavaScript. From interactive animations to dynamic content, you'll learn how to breathe life into your web projects. But that's not all – delve into the powerful realm of back-end development with JavaScript. Explore server-side scripting and learn how to build robust, scalable, and efficient web applications that handle data and user interactions seamlessly. From building websites to crafting complex web applications, JavaScript is the backbone of modern web development. With "Mastering JavaScript," you'll not only grasp the essentials of the language but also delve into advanced techniques that set you apart as a proficient JavaScript developer. The world of coding is evolving rapidly, and JavaScript is at the forefront of this revolution. Don't miss the opportunity to be a part of it. Grab your copy of "Mastering JavaScript: From the Front-End to the Back-End" now and embark on an exciting journey to becoming a JavaScript master. Your future as a skilled developer starts here!

Download or read book Async JavaScript written by Trevor Burnham and published by Pragmatic Bookshelf. This book was released on 2012-11-28 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Mastering JavaScript High Performance written by Chad Adams and published by Packt Publishing. This book was released on 2015-03-30 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you are a JavaScript developer with some experience in development and want to increase the performance of JavaScript projects by building faster web apps, then this book is for you. You should know the basic concepts of JavaScript.

Download or read book Mastering JavaScript written by Innoware Pjp and published by Independently Published. This book was released on 2023-05-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mastering JavaScript: A Comprehensive Guide to Web Development Table of Contents 1 Introduction: Introduction to JavaScript and its significance in web development Benefits of learning JavaScript 2 Getting Started with JavaScript Basics of JavaScript: variables, data types, and operators How to write and execute JavaScript code in different environments (browsers, text editors) Best practices for organizing and formatting code 3 Control Flow and Loops Conditional statements (if, else if, switch) and their usage Concept of loops (for, while, do-while) and their implementation Examples and exercises on Control Flow and Loops 4 Functions and Scope Role of functions in JavaScript Function declarations, expressions, and arrow functions Variable scope, closures, and the concept of "hoisting" Higher-order functions and callbacks 5 Working with Arrays and Objects Arrays and their properties/methods (e.g., push, pop, slice, forEach) Objects, properties, and methods How to work with JSON (JavaScript Object Notation) Common array and object manipulation techniques 6 DOM Manipulation and Events Document Object Model (DOM) and its structure How to select and modify DOM elements using JavaScript Event handling and event listeners Examples of interactive web page elements and their implementation 7 Asynchronous JavaScript Asynchronous programming concepts (callbacks, promises, async/await) Importance of asynchronous programming in web development AJAX and working with APIs (Application Programming Interfaces) Usage of fetch() and XMLHttpRequest for making HTTP requests 8 Error Handling and Debugging Common JavaScript errors and how to handle them Debugging techniques using browser developer tools Error handling mechanisms (try...catch, throw) Tips for effective debugging and troubleshooting 9 ES6 and Beyond Features introduced in ECMAScript 6 (ES6) New syntax and concepts such as let, const, template literals, arrow functions Newer additions like spread/rest operators, destructuring, and modules Benefits of keeping up with the evolving JavaScript standards 10 JavaScript Libraries and Frameworks Overview of popular JavaScript libraries and frameworks (e.g., React, Angular, Vue) Purpose and benefits of using JavaScript Libraries and Frameworks How to integrate JavaScript Libraries and Frameworks and work with them in JavaScript projects 11 Testing and Deployment Testing methodologies and tools (unit testing, integration testing) Popular JavaScript testing frameworks (Jest, Mocha) Deployment process for JavaScript applications (hosting, build tools) 12 Appendix: Additional exercises and coding challenges for practice Glossary of JavaScript terminology Further reading recommendations and online resources

Download or read book JavaScript Masterclass written by Yanko Belov and published by BPB Publications. This book was released on 2024-02-13 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master the world's most dominant programming language KEY FEATURES ● Learn JavaScript fundamentals and advanced techniques. ● Advanced JavaScript ES2015 (ES6)+ concepts uncovered. ● Expert tips for optimizing code efficiency in JavaScript. DESCRIPTION JavaScript Masterclass is your comprehensive guide to mastering the most used language of the web. This book enables you to build dynamic websites, create interactive experiences, and level up your web development skills by taking you on a journey through the world of JavaScript. Starting with the basics, you will explore JavaScript's syntax, data types, and control structures. Learn about the latest language features in ES2022, object-oriented programming, and asynchronous programming. Dive deep into functions, closures, and modules, and gain a solid understanding of the often-tricky 'this' keyword. Discover the power of coercion. Explore advanced object concepts and how to work with popular frameworks like React and Vue. Test and debug your code effectively and optimize it for performance. Finally, go beyond tools and extensions to learn about code optimization, tool selection, collaboration, and emerging trends in JavaScript development. Whether you are a beginner or an experienced developer, this book equips you with the knowledge and skills to become a JavaScript master. WHAT YOU WILL LEARN ● Master JavaScript's core concepts, syntax, and data types. ● Apply the latest ES2022 features for more efficient coding. ● Tackle complex challenges with OOPs principles and asynchronous techniques. ● Create modular and maintainable code with closures and modules. ● Build real-world projects using popular frameworks like React and Vue. WHO THIS BOOK IS FOR This book is tailored for aspiring and experienced front-end designer crafting interactive experiences or a back-end developer building dynamic server-side applications and JavaScript developers looking to deepen their understanding and proficiency. TABLE OF CONTENTS 1. Fundamentals of JavaScript 2. The Latest Features in JavaScript 3. Object-oriented Programming in JavaScript 4. Asynchronous JavaScript 5. Functions, Closures, and Modules 6. "this" Keyword 7. Coercion 8. Advanced Objects 9. React and Vue 10. Testing and Debugging 11. Beyond Tools and Extensions

Download or read book Practical Modern JavaScript written by Nicolas Bevacqua and published by "O'Reilly Media, Inc.". This book was released on 2017-06-26 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Mastering Reactive JavaScript written by Erich de Souza Oliveira and published by Packt Publishing Ltd. This book was released on 2017-05-26 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expand your boundaries by creating applications empowered with real-time data using RxJs without compromising performance About This Book Handle an infinite stream of incoming data using RxJs without going crazy Explore important RxJs operators that can help you improve your code readability Get acquainted with the different techniques and operators used to handle data traffic, which occurs when you receive data faster than you can process Who This Book Is For If you're a web developer with some basic JavaScript programming knowledge who wants to implement the reactive programming paradigm with JavaScript, then this book is for you. What You Will Learn Get to know the basics of functional reactive programming using RxJs Process a continuous flow of data with linear memory consumption Filter, group, and react to changes in your system Discover how to deal with data traffic Compose operators to create new operators and use them in multiple observables to avoid code repetition Explore transducers and see how they can improve your code readability Detect and recover from errors in observables using Retry and Catch operators Create your own reactive application: a real-time webchat In Detail If you're struggling to handle a large amount of data and don't know how to improve your code readability, then reactive programming is the right solution for you. It lets you describe how your code behaves when changes happen and makes it easier to deal with real-time data. This book will teach you what reactive programming is, and how you can use it to write better applications. The book starts with the basics of reactive programming, what Reactive Extensions is, and how can you use it in JavaScript along with some reactive code using Bacon. Next, you'll discover what an Observable and an Observer are and when to use them.You'll also find out how you can query data through operators, and how to use schedulers to react to changes. Moving on, you'll explore the RxJs API, be introduced to the problem of data traffic (backpressure), and see how you can mitigate it. You'll also learn about other important operators that can help improve your code readability, and you'll see how to use transducers to compose operators. At the end of the book, you'll get hands-on experience of using RxJs, and will create a real-time web chat using RxJs on the client and server, providing you with the complete package to master RxJs. Style and approach This easy-to-follow guide is full of hands-on examples of reactive programming. Each topic is explained and placed in context, and for the more inquisitive there are more details of the concepts used, ending with an application using the concepts learned through the book.

Download or read book You Don t Know JS Async Performance written by Kyle Simpson and published by "O'Reilly Media, Inc.". This book was released on 2015-02-23 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. As part of the "You Don’t Know JS" series, this concise yet in-depth guide focuses on new asynchronous features and performance techniques—including Promises, generators, and Web Workers—that let you create sophisticated single-page web applications and escape callback hell in the process. Like other books in this series, You Don’t Know JS: Async & Performance dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can become a true JavaScript master. With this book you will: Explore old and new JavaScript methods for handling asynchronous programming Understand how callbacks let third parties control your program’s execution Address the "inversion of control" issue with JavaScript Promises Use generators to express async flow in a sequential, synchronous-looking fashion Tackle program-level performance with Web Workers, SIMD, and asm.js Learn valuable resources and techniques for benchmarking and tuning your expressions and statements

Download or read book Mastering Node js written by Sandro Pasquali and published by Packt Publishing Ltd. This book was released on 2013-11-25 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains an extensive set of practical examples and an easy-to-follow approach to creating 3D objects.This book is great for anyone who already knows JavaScript and who wants to start creating 3D graphics that run in any browser. You don’t need to know anything about advanced math or WebGL; all that is needed is a general knowledge of JavaScript and HTML. The required materials and examples can be freely downloaded and all tools used in this book are open source.

Download or read book Mastering Modular JavaScript written by Nicolas Bevacqua and published by "O'Reilly Media, Inc.". This book was released on 2018-08-27 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you have a working knowledge of JavaScript and ECMAScript 6 (ES6), this practical guide will help you tackle modular programming to produce code that’s readable, maintainable, and scalable. You’ll learn the fundamentals of modular architecture with JavaScript and the benefits of writing self-contained code at every system level, including the client and server. Nicolás Bevacqua, author of Practical Modern JavaScript, demonstrates how to scale out JavaScript applications by breaking codebases into smaller modules. By following the design practices in this book, senior developers, technical leaders, and software architects will learn how to create modules that are simple and flexible while keeping internal complexity in check. Learn modular design essentials, including how your application will be consumed and what belongs on the interface Design module internals to keep your code readable and its intent clear Reduce complexity by refactoring code and containing and eliminating state Take advantage of modern JavaScript features to write clear programs and reduce complexity Apply Twelve-Factor App principles to frontend and backend JavaScript application development