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:39, y:31},
               {x:34, y:26},
               {x:25, y:47},
               {x:14, y:34}]
    
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)
        var y_scale=d3.scaleLinear().domain([10,70]).range([400,20])
    var x_scale =d3.scaleLinear().domain([10,68]).range([24,400])
    var xAxis=d3.axisBottom().scale(x_scale)
    var yAxis=d3.axisLeft().scale(y_scale)
​
        console.log(svg)
    
    svg.append("g")
      .attr("transform","translate(0,"+400+")")
      .call(xAxis);
    
    svg.append("g")
        .attr("transform","translate(20,0)")
        .call(yAxis)
    
    svg.selectAll("circle")
        .data(data)
        .enter().append("circle")
        .attr("cx",d=>x_scale(d.x))// (d,i)=>console.log(d.x,i) or function(d,i){console.log(d,i);return d.x}
        .attr("cy",d=>y_scale(d.y*1))
            .attr("r",(d,i)=>i+2)
        .attr("fill",(d,i)=>"#ff326c" + i*2)
    
      </script>
</body>
​
    