D3 Examples - D3 bar chart with scales & dataset

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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; }
    rect {
      fill: none;
      stroke: black;
      stroke-width: 1;
    }
  </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", 200)
      .attr("height", 500)
    
    var data=[56,87,38,42,55,24,67];
    svg.selectAll("rect").data(data).enter()
                .append("rect",50)
                .attr("width",16)
                .attr("height",function(d){return d; })
                .attr("x",function(d,i){return i*30;})
                .attr("y",function(i){return(200-i);})
   
  </script>
</body>
​
    