A software developer from San Francisco managed to do what no one else did before, creating a fully-functional two-way chat using only CSS and HTML, completely ditching JavaScript in the process.

The Web Development Master Class Certification Bundle contains 35 hours of educational content that will teach you how to code in HTML, CSS, JavaScript, Bootstrap, PHP, MySQL, and more.

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