Your hands-on guide to JavaScript fundamentals Expand your expertiseand teach yourself the fundamentals of JavaScript. If you have previous programming experience but are new to JavaScript, this tutorial delivers the step-by-step guidance and coding exercises you need to master core topics and techniques. Discover how to: Work with JavaScript syntax, variables, and data types Master techniques for building cross-browser programs Speed up and simplify app development with jQuery Quickly retrieve data from a server using AJAX requests Adapt your app for mobile devices with jQuery Mobile Build Windows 8 apps using HTML, CSS, and JavaScript.