Being able to work comfortably on Web-related code elements -- HTML, CSS, and JavaScript -- has become an increasingly important skill for all kinds of software development projects. Web apps, ...

It's called Dash, and it lets users learn how to use HTML, Javascript, and CSS by working through four projects of increasing difficulty.

JetBrains’ WebStorm is an IDE for HTML, CSS, JavaScript, and XML, with support for projects (seen in the left-hand pane) and version control systems, including GitHub.

This collection of resources can help you learn JavaScript at the beginner, intermediate and advanced levels.

Now [Andy Green] has extended the possibilities with affordable silicon, by producing a proof-of-concept HTML + CSS renderer over h2 on ESP32 for libwebsockets.