Improvements to the IntelliJ IDEA, WebStorm, and RubyMine IDEs range ... Java, JavaScript, and Ruby/Rails development, respectively. The upgrades feature improvements ranging from UI refinements ...

but someone has actually turned that UI into a JavaScript Tutorial, recreating it completely. The UI is fully interactable for you to explore on the website here and it can all be navigated ...

a package of free and open industry-leading UI tools and JavaScript framework features, including Telerik Kendo UI Mobile. The sophisticated set of components for web application development ...