D3 Examples - D3 bar chart without data-binding

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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: red;
      stroke: black;
      stroke-width: 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.text("Sacramentorealestatetransactions.csv", function(error, raw){
    
      var data = d3.dsvFormat(",").parse(raw);
      console.log("DATA") 
      console.log(data[0])
      var h = 300
      var width = 600
      var max = d3.max(data, function(d){return parseInt(d.sq__ft)})
      console.log(max)
      var yscale = d3.scaleLinear()
        .domain([0, max])
        .range([0, h]);
      
      var xscale = d3.scaleLinear()
        .domain([0, data.length])
        .range([0, width]);
​
      var g = svg.selectAll("rect").data(data);
      var barwidth = width / data.length
​
      g.enter()
        .append("rect")
        .attr("y", function(d,i){return 20 + h - yscale(d.sq__ft);})
        .attr("x", function(d,i){return xscale(i)})
        .attr("width", barwidth)
        .attr("fill", "red")
        .attr("height", function(d,i){return yscale(d.sq__ft)});
​
    })
  </script>
</body>
​
    