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Venn Diagram with Opacity
<!DOCTYPE html> <meta charset="utf-8"> <body> <script src="//d3js.org/d3.v3.min.js"></script> <script> var width = 960, height = 500; var svg = d3.select("body").append("svg") .attr("width", width) .attr("height", height); svg.append("circle") .attr("cx", 350) .attr("cy", 200) .attr("r", 200) .style("fill", "brown") .style("fill-opacity", ".5"); svg.append("circle") .attr("cx", 550) .attr("cy", 200) .attr("r", 200) .style("fill", "steelblue") .style("fill-opacity", ".5"); svg.append("circle") .attr("cx", 450) .attr("cy", 300) .attr("r", 200) .style("fill", "green") .style("fill-opacity", ".5"); </script>
https://d3js.org/d3.v3.min.js