The focus of the book is on creating professional web applications, ensuring that your app provides the best experience for your users, with smooth and responsive control and feedback and an intuitive and optimized interface. You will learn how to take a basic application and bring it up to a professional level while making sure that it remains bullet-proof and bug free. Pro JavaScript for web apps will also enhance your development workflow using jQuery to streamline the process and freeing you to spend more time on the important parts of your app while the framework deals with the mundanity.