D3 Examples - bar chart using svg

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    rect{
      fill: teal;
    }
  </style>
</head>
​
<body>
  <script>
​
    var w = 100;
    var h = 100;
    var padding = 2;
    
    var dataset = [ 5, 10, 15, 20, 25];
    
    var svg = d3.select("body").append("svg")
              .attr("width", w)
              .attr("height", h);
​
    svg.selectAll("rect")
      .data(dataset)
      .enter()
      .append("rect")
        .attr("x", function(d, i) {return i * (w / dataset.length);})
        .attr("y", function(d) {return h - (d * 4);})
        .attr("width", w / dataset.length - padding)
        .attr("height", function(d) {return d * 4;});
​
  </script>
</body>
​
    