JavaScript Unlocked

Improve your code maintainability, performance, and security through practical expert insights and unlock the full potential of JavaScript

About This Book

• Improve your JavaScript code for better maintainability and performance
• Discover how to implement scalable application architecture with JavaScript
• Learn to use JavaScript behind the browser, including its command-line tools, desktop apps, and native mobile apps

Who This Book Is For

JavaScript Unlocked is for those JS developers who want to see just how far they can push their favourite language through practical insight and techniques.

What You Will Learn

• Make your code readable and expressive by using simple syntax of JavaScript
• Grasp existing JavaScript collections such as arrays and array-like objects
• Develop abstract data types in most effective way to extend JavaScript into a more flexible and powerful programming language
• Examine the pros and cons of JavaScript by implementing real-time code examples
• Flourish real-time mini-projects by using JavaScript on server side to develop desktop as well as mobile applications
• Work on parallel tasks with asynchronous JavaScript
• Improve code maintainability and readability and boost apps performance through JavaScript

In Detail

JavaScript stands bestride the world like a colossus. Having conquered web development, it now advances into new areas such as server scripting, desktop and mobile development, game scripting, and more. One of the most essential languages for any modern developer, the fully-engaged JavaScript programmer need to know the tricks, non-documented features, quirks, and best practices of this powerful, adaptive language.

This all-practical guide is stuffed with code recipes and keys to help you unlock the full potential of JavaScript. Start by diving right into the core of JavaScript, with power user techniques for getting better maintainability and performance from the basic building blocks of your code. Get to grips with modular programming to bring real power to the browser, master client-side JavaScript scripting without jQuery or other frameworks, and discover the full potential of asynchronous coding. Do great things with HTML5 APIs, including building your first web component, tackle the essential requirements of writing large-scale applications, and optimize JavaScript's performance behind the browser. Wrap up with in-depth advice and best practice for debugging and keeping your JavaScript maintainable for scaling, long-term projects. With every task demonstrated in both classic ES5 JavaScript and next generation ES6-7 versions of the language, Whether read cover-to-cover or dipped into for specific keys and recipes, JavaScript Unlocked is your essential guide for pushing JavaScript to its limits.

Style and approach

This practice-oriented cookbook is packed full of code examples put in the form: problem, classical solution, and methods to optimize webpage in both JavaScript ES5 and ES6 language editions. But this thorough guide is best-suited to those who like to “learn by doing” as the topics are covered using real-life examples and tutorials.

Dmitry Sheiko

Dmitry Sheiko is a web developer, blogger, and open source contributor, living and working in the lovely city of Frankfurt am Main, Germany. He started learning computer programming in the late eighties. Since the late nineties, he has been developing web applications and tools. Currently, he works as a lead web developer for the game developer company Crytek GmbH. Dmitry is the author of popular open source tools such CJSC ( http://dsheiko.github.io/cjsc/), JS Codesniffer ( https://github.com/dsheiko/jscodesniffer), and HTML5 Form API polyfill ( https://github.com/dsheiko/HTML5-Form-Shim) Dmitry also authored a book called Instant: Testing with Qunit, Packt Publishing.