Normally $200, you can enroll in Introduction to Coding with HTML, CSS & JavaScript for just $19.99 for a limited time. Prices subject to change.

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

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

To show off what EdgeHTML can do, Microsoft has built a browser using predominantly JavaScript, HTML, and CSS. Next, the company released the app on the Windows Store and the sample code on GitHub.