SVG + D3
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A full-screen SVG pattern of 100 horizontal and vertical bars alternates in opacity according to two circular masks, revealing a central disc and its inverse. Using D3 v7, the code appends `rect` elements via `selectAll().data().join()`, sizing them by window dimensions. The masks are defined in SVG by combining a background `rect` with a `circle`, where white reveals and black conceals.
AI-generated descriptionTrying to learn how this thing works.
ISC Licensed