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javascript

JavaScript fetch() Basics — Asynchronous HTTP, JSON, and Error Handling

Complete beginner guide to the modern JavaScript fetch API, handling HTTP errors with res.ok, POSTing JSON payloads, and request timeouts with AbortController.
css

CSS Layout — When to Use CSS Grid vs. Flexbox

Complete beginner guide to modern CSS layouts, the 1D vs 2D rule, building responsive page layouts with Grid, and mastering Flexbox component alignment.