HTML from scratch to a page
Structure, semantics, links, forms, tables, and accessibility up to a complete page.
Trails
Short paths that connect theory, playground, and snippets — sibling trails in one hub.
CSS from scratch to layout
From cascade and selectors to full layout, modern responsive design, and CSS accessibility.
JavaScript from scratch to the DOM
Variables, functions, DOM, events, arrays/objects, fetch, and a small project.
React from basics to state
Components, props, hooks, lists, React Query, and Zustand — eight hands-on lessons.
Web Components with Vite
Custom Elements, Shadow DOM, the same gallery in React/Vue, Vite lib mode, and dual export.