HTML provides the structure, content and layout, CSS adds style and design, and JavaScript adds functionality and interactivity.

Whether you're building a Web or desktop application, here's a round-up of tools for building the interface with plain old HTML. Being able to work comfortably on Web-related code elements -- HTML, ...

jsFiddle lets developers play with the three core elements of Web development. Check out this powerful application for rapid prototyping and testing.