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Learning Modules
Step through interactive lessons at your own pace. Each module combines reading with small exercises and examples.
Preact
Learn what Preact is, how it works, and how to build reactive UIs with a tiny, fast alternative to React.
JavaScript and the DOM
Learn how to find elements, listen for events, and update the page with simple DOM scripting.
Handlebars
Learn how to build HTML templates with variables, helpers, and simple loops.