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by jsf01
2223 days ago
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The answer is usually to use SVG. You see this in most maps and charts with clickable or interactive areas. For cases where you need a raster image to have clickable regions, like showing plots of land or property boundaries on a real estate website, you might see a mix of a raster image below a semitransparent SVG overlay or just a <canvas> element instead, which would have to manually reimplement handling clicks and hover events on the various regions. |
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