Kategoria BISAC: Computers >> Languages - JavaScript

Several client-side storage options are available to web applications, but one area that's been lacking until now is file I/O the ability to organize binary data into a true hierarchy of folders. That has changed with the advent of HTML5. With this book, you'll learn how to provide your applications with a file system that enables them to create, read, and write files and folders in a sandboxed section of the user's local filesystem.

Author Eric Bidelman, a Senior Developer Programs Engineer on the Google Chrome team, provides several techniques and complete code examples for working...

With the jQuery UI library, you can apply the power and standards of jQuery to user interface design, complete with interactive elements, animation, and themeable widgets. This concise, code-heavy guide demonstrates how to harness interactive features that HTML5 lacks, including tabs, accordions, and dialog boxes. You ll also learn how to program common but complex tasks, such as managing drag and drop and autocomplete, that make it easier for users to interact with your site.

This book provides a quick tour of how jQuery UI can improve your HTML pages, followed by standalone...

If you know how to use JavaScript in the browser, you already have the skills you need to put JavaScript to work on back-end servers with Node. This hands-on book shows you how to use this popular JavaScript platform to create simple server applications, communicate with the client, build dynamic pages, work with data, and tackle other tasks.

Although Node has a complete library of developer-contributed modules to automate server-side development, this book will show you how to program with Node on your own, so you truly understand the platform. Discover firsthand how well Node works...

You may have definite ideas about writing code when working alone, but team development requires that everyone use the same approach. With the JavaScript practices in this book--including code style, programming tips, and automation--you will learn how to write maintainable code that other team members can easily understand, adapt, and extend.

Author Nicholas Zakas assembled this collection of best practices as a front-end tech leader at Yahoo , after completing his own journey from solo hacker to team player. He also includes rules recommended by other industry authorities. Use...

Web apps would run much better if heavy calculations could be performed in the background, rather than compete with the user interface. With this book, you'll learn how to use Web Workers to run computationally intensive JavaScript code in a thread parallel to the UI. Yes, multi-threaded programing is complicated, but Web Workers provide a simple API that helps you be productive without the complex algorithms.

If you have an intermediate to advanced understanding of JavaScript--especially event handling and callbacks--you're ready to tackle Web Workers with the tools in this...

When developing apps for the latest smartphones, you're faced with several vexing questions. How many platforms do you need to accommodate? What level of support do mobile browsers provide? To help you address these and many other key issues, this guide provides a hands-on tour of the most powerful JavaScript frameworks available today.

You'll build sample apps with jQuery Mobile, Sencha Touch, and PhoneGap to learn the unique advantages--and disadvantages--of each framework. From there, you can determine which one is best for your project. This book is ideal for web developers...

Learn how to create beautiful, interactive, browser-based data visualizations with the D3 JavaScript library. This hands-on book shows you how to use a combination of JavaScript and SVG to build everything from simple bar charts to complex infographics. You ll learn how to use basic D3 tools by building visualizations based on real data from the New York Metropolitan Transit Authority.

Using historical tables, geographical information, and other data, you ll graph bus breakdowns and accidents and the percentage of subway trains running on time, among other examples. By the end of the...

Build native apps for iOS, Android, and Blackberry from a single JavaScript codebase with Appcelerator Titanium. This guide gets you quickly up to speed on this amazing framework and shows you how to generate cross-platform apps with 100% native controls. You ll also learn the advantages of using Titanium when you want to create an app for just one native platform, rather than struggle with Java or Objective-C.

Fast-paced and full of examples, this book helps you build your first project with Titanium Studio, and then takes you through the steps necessary to build complex data-bound...

The focus of the book is on creating professional web applications, ensuring...

Learn how to build complete client-side applications with ClojureScript, the Clojure language variant that compiles to optimized JavaScript. This hands-on introduction shows you how ClojureScript not only has similarities to JavaScript--without the flaws--but also supports the full semantics of its parent language. You'll delve into ClojureScript's immutable data structures, lazy sequences, first-class functions, macros, and support for JavaScript libraries.

No previous experience with Clojure or ClojureScript is necessary. If you're familiar with JavaScript, HTML, CSS, and the DOM,...

Get a Jump Start on JavaScript today

JavaScript is a key technology in modern web development, enabling you to craft interactive, usable and engaging experiences for your users.

In just one weekend with this SitePoint book, you'll learn how to:

• Use JavaScript to solve real world problems: build forms, track user events and craft animations
• Use JavaScript with HTML5 and CSS3
• Build an entire JavaScript-powered application from scratch: a task management application

Plus you'll discover how to use modern techniques such as Canvas and...

Best practices are changing or becoming redefined continually because of changes and optimizations at the interpreter level, and differences in system configuration, and network speeds. This is exacerbated by the quickened release schedule that most browsers have adopted. Just as...

Get a concise introduction to Jasmine, the popular behavior-driven testing framework for JavaScript. This practical guide shows you how to write unit tests with Jasmine that automatically check for bugs in your application. If you have JavaScript experience with knowledge of some advanced features you ll learn how to write specifications for individual components, and then use those specs to test the code you write.

Throughout the book, author Evan Hahn focuses primarily on methods for testing browser-based JavaScript applications, but you ll also discover how to use Jasmine with...