Old school D3 from simpler times

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tangert

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SVGs and bar charts

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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 svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500)

var dataSet = [20,30,40,50,60,40,30,20,50,2];
    var w = 500;
    var h = 100;
    var barPadding = 1;
    
   	svg.selectAll("rect")
    	.data(dataSet)
    	.enter()
    	.append("rect")
    	.attr({
          x: function(d, i) {
            return i * (w / dataSet.length);
          },
        	y: function(d) {
            return h - (d * 4);
          },
          width: w / dataSet.length - barPadding,
          height: function(d) {
            return d * 4;
          },
          fill: function(d) {
            return "rgb(0, 0, " + (d * 10) + ")";
          }
      });

</script>
</body>

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