stroke-dash-array by jermspeaks

index.html

<!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)

    svg.append("path")
    	.attr("fill", "none")
      .attr("stroke", "#33F")
      .attr("stroke-width", 10)
      .attr("d", "M100,100L500,400L750,100")
    	.attr("stroke-dasharray", "15, 5, 12, 5, 9, 5");

  </script>
</body>