If you want to build your organization's next web application with HTML5, this practical book will help you sort through the various frameworks, libraries, and development options that populate this stack. You'll learn several of these approaches hands-on by writing multiple versions of a sample web app throughout the book, so you can determine the right strategy for your enterprise.What's the best way to reach both mobile and desktop users? How about modularization, security, and test-driven development? With lots of working code samples, this book will help web application developers and software architects navigate the growing number of HTML5 and JavaScript choices available. The book's sample apps are available at http://savesickchild.org.Mock up the book's working app with HTML, JavaScript, and CSSRebuild the sample app, first with jQuery and then Ext JSWork with different build tools, code generators, and package managersBuild a modularized version of the app with RequireJSApply test-driven development with the Jasmine frameworkUse WebSocket to build an online auction for the appAdapt the app for both PCs and mobile with responsive web designCreate mobile versions with jQuery Mobile, Sencha Touch, and PhoneGap