iris scatteplot simple

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)

var data = d3.range(100).map(function(d) {
      return {"x": Math.random(), "y": Math.random()}
    })
    
    var x = d3.scaleLinear()
    	//.domain([0, d3.max(data, function(d) { return d.x; })])
    	.range([200, 600]);

var y = d3.scaleLinear()
    	//.domain([0, d3.max(data, function(d) { return d.y; })])
    	.range([100, 400]);

svg.selectAll("circle").data(data).enter()
    	.append("circle")
    	.style("fill", function(d, i) { return color(d.species); })
    	.style("stroke", "black")
    	.attr("r", 10)
    	.attr("cx", function(d) { return x(d.sepal_length); })
    	.attr("cy", function(d) { return y(d.sepal_width); })
    
    })

</script>
</body>

https://d3js.org/d3.v4.min.js