D3 Examples - State Map Simple

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<!DOCTYPE html>
<svg width="960" height="600" fill="none" stroke="#000" stroke-linejoin="round" stroke-linecap="round"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/topojson.v2.min.js"></script>
<script>
​
var svg = d3.select("svg");
​
var path = d3.geoPath();
​
d3.json("https://d3js.org/us-10m.v1.json", function(error, us) {
  if (error) throw error;
​
  svg.append("path")
        .attr("stroke-width", 1)
      .attr("d", path(topojson.feature(us, us.objects.states)));
});
​
</script>
    