Web Components

• Introduction to Web Components (2 days, online)

  Build framework-agnostic UI with the Web Components platform: Custom Elements (Form-Associated where it matters), Shadow DOM (incl. declarative Shadow DOM and CSS Shadow Parts), HTML Templates, slots, ElementInternals, and Stage 3 decorators.

• Professional Web Components (5 days, online)

  Production-quality Web Components with Lit 3: reactive properties, lifecycle, Form-Associated Custom Elements, decorators, Shadow Parts, Lit SSR with declarative Shadow DOM, and unit testing with @web/test-runner and Playwright.