Maxim Mironjuk
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May 07, 2026
A drag-and-drop zone looks simple from a user's point of view, but technically it requires a precise interplay of four HTML5 drag events, consistently blocking the browser's default behavior, and cleanly distinguishing valid from invalid file types. This article shows how an Alpine state drives visual hover feedback, why a counter trick fixes the annoying flicker caused by nested child elements, and how users immediately see whether a dropped file even gets accepted.