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[PacktPub.com] JavaScript High Performance [2015, ENG]
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JavaScript High Performance #777 Год выпуска: 2015 Производитель: Packt Publishing Сайт производителя: packtpub.com Автор: Ben Fhala Продолжительность: 2:40 Тип раздаваемого материала: Видеоурок Язык: Английский Описание: One of the most common challenges JavaScript developers face is creating a number of applications and maintaining them to run smoothly. The aim of this course is to deliver critical tips and techniques to help you create smarter and faster applications. JavaScript High Performance focusses on making your JavaScript code run more efficiently, raising your app performance. Start off by minifying and caching your code, be it JavaScript, HTML or CSS. Walk through different methods including creating location references, condensing var definitions and so on, helping you gain a solid foundation of the basic practical approaches. Next, discover the most potent ways to refer to functions and classes, learn how to streamline loops and arrays, and detect and avoid any memory leaks. Also, improve the appearance of your app by using sleek animations, without compromising performance. By the end of this course, you’ll be confident in dynamically improving the performance of your app. The course follows a strict hands-on approach and introduces you to various methods which will help you maintain and rev-up your JavaScript based app. Using bad sample code, learn various ways to transform code and discover how to implement this yourself in your own app. Курс по высокопроизводительному яваскрипту. Содержание Chapter 1 : Minifying and Caching Your Site Course Overview Caching Your Scripts Creating a Cache Buster Minifying Your Output Chapter 2 : Covering the Foundations Always Declare Your Variables Creating Location References Condensing var Definitions Comparing Explicitly When Appropriate Using String Accumulator-style Building Strings with Arrays Chapter 3 : Going Beyond the Basics Avoiding eval for Object References Talking to Functions Avoiding eval Reducing the Use of Anonymous Functions OOP – Defining Class Methods and Properties Chpater 4 : Looping, Arrays, and Conditions Picking the Right Loop for the Task Simplifying Your Loops – Round 1 Reducing the Loop Footprint Loops, Arrays, and Memory Leaks Preallocating Size to an Array Avoiding the Unnecessary Putting Code Where It Should Be Chapter 5 : Optimizing Events and Time Clearing Circular References Using Less Events to Do More Trading Smoothness for Speed Clearing Memory Leaks by Always Clearing Intervals How to Avoid Running Multiple Intervals Chapter 6 : The DOM and CSS Reducing DOM Calls Reducing Document Reflows Making It Animate Smoothly Changing Classes and Not Styles Adding Scripts as You Need Them Dynamically Chapter 7 : Data and leaks Cutting Traveling with HTML5 Validation Moving Data Processing to the Client Side What Data Types to Use? Caching Data The Issue with Working Directly with HTML Collections Converting Collection Objects into Arrays FPS and High Resolution Time – HRT JavaScript Profiling and Memory Leaks Файлы примеров: отсутствуют Формат видео: MP4 Видео: AVC, 1280x720, 16:9, 25fps, 287kbps Аудио: AAC, 44.1kHz, 128kbps, stereo Скриншоты |
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| 2015-09-23 02:14 |
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