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

JavaScript, CSS, HTML, HTML5, MySQL, WordPress, PHP and Python are the most in-demand tech skills from employers in 2020, according to a Upwork report.

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

Here's an easy-to-follow web developer roadmap that will guide you through the world of HTML, CSS and JavaScript based technologies.

We’ll look at three Python web frameworks that follow this paradigm, allowing you to describe front-end code (HTML, CSS, and JavaScript) using back-end Python code.