D3 Examples - simple scatterplot

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<!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 data = [{x:17, y:61},
               {x:19, y:25},
               {x:26, y:22},
               {x:29, y:31},
               {x:34, y:26},
               {x:35, y:47},
               {x:44, y:34},
               {x:50, y:20}]
    
    var yscale = d3.scaleLinear()
        .domain([0,60])
        .range([400,20])
    
    var xscale = d3.scaleLinear()
        .domain([0,54])
        .range([10,400])    
    
    var yaxis = d3.axisLeft()
        .scale(yscale)
    
    var xaxis = d3.axisBottom()
        .scale(xscale)
    
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
    
    svg.selectAll("circle")
    .data(data)
    .enter()
        .append("circle")
            .attr("cx",d=>xscale(d["x"]))
            .attr("cy",d=>yscale(d.y))
            .attr("r",(d,i)=>i*3)
            .attr("fill",(d,i)=>"#80"+(i*3))
​
        svg.append("g")
      .attr("transform","translate(10,400)")
      .call(xaxis)
    
    svg.append("g")
      .attr("transform","translate(20,0)")
      .call(yaxis)
​
  </script>
</body>
​
    