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 ...

SummaryExpress in Action is a carefully designed tutorial that teaches you how to build web applications using Node and Express.About the TechnologyExpress.js is a web application framework for Node.js. Express organizes your server-side JavaScript into testable, maintainable modules. It provides a powerful set of features to efficiently manage routes, requests, and views along with beautiful boilerplate for your web applic...

If you’re an advanced beginner or intermediate JavaScript developer, JavaScript Enlightenment will solidify your understanding of the language—especially if you use a JavaScript library. In this concise book, JavaScript expert Cody Lindley (jQuery Cookbook) provides an accurate view of the language by examining its objects and supporting nuances.Libraries and frameworks help you build web applications quickly and efficiently, but when things go wrong or performance becomes...

If you are a web or a full-stack JavaScript developer who is interested in learning how to build modern web applications using the MEAN stack, this book is for you.

If you're like most developers, you rely heavily on JavaScript to build interactive and quick-responding web applications. The problem is that all of those lines of JavaScript code can slow down your apps. This book reveals techniques and strategies to help you eliminate performance bottlenecks during development. You'll learn how to improve execution time, downloading, interaction with the DOM, page life cycle, and more.Yahoo! frontend engineer Nicholas C. Zakas and five other Jav...

Grasp the fundamentals of web application development by building a simple database-backed app from scratch, using HTML, JavaScript, and other open source tools. Through hands-on tutorials, this practical guide shows inexperienced web app developers how to create a user interface, write a server, build client-server communication, and use a cloud-based service to deploy the application.Each chapter includes practice problems, full examples, and mental models of the development work...

With the second edition of this popular book, you’ll learn how to build HTML5 and CSS3-based apps that access geolocation, accelerometer, multi-touch screens, offline storage, and other features in today’s smartphones, tablets, and feature phones. The market for mobile apps continues to evolve at a breakneck pace, and this book is the most complete reference available for the mobile web.Author and mobile development expert Maximiliano Firtman shows you how to develop a standard app...

Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. Get the job done and learn as you go. This book is filled with practical, hands-on recipes to help you write SASS quickly and more efficiently.This book is great for those new to using CSS pre-processors such as SASS, and who are looking to get a good grounding in how to use SASS. It's assumed you will have some experience in using HTML and CSS already; it is likely you will be ...

Want to add more interactivity and polish to your websites? Discover how jQuery can help you build complex scripting functionality in just a few lines of code. With Head First jQuery, you'll quickly get up to speed on this amazing JavaScript library by learning how to navigate HTML documents while handling events, effects, callbacks, and animations. By the time you've completed the book, you'll be incorporating Ajax apps, working seamlessly with HTML and CSS, and handling data wit...

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 s...

Although web components are still on the bleeding edge—barely supported in modern browsers—the technology is also moving extremely fast. This practical guide gets you up to speed on the concepts underlying W3C’s emerging standard and shows you how to build custom, reusable HTML5 Web Components.Regardless of your experience with libraries such as jQuery and Polymer, this book teaches JavaScript developers the DOM manipulations these libraries perform. You’ll learn how to build a bas...

Learn JavaScript from scratch!Packed with numerous examples, JavaScript: Novice to Ninja is a fun, step-by-step and comprehensive introduction to development in JavaScript.Discover how to use JavaScript to solve real-world problems, build smarter forms, track user events, and design eye-catching animations.Learn JavaScript's built-in functions, methods, and properties.Use JavaScript to validate form entries and interact with your users.Unde...