Midterm Question 13 Answer

<!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)

blue = "#0055A4"
    white = "#FFFFFF"
    red = "#EF4135"
    
    svg.append("rect")
    //where does it start:
    .attr("x", 100)
    .attr("y", 100)
    //what is the size of the rectangle
    .attr("width", 100)
    .attr("height", 200)
    .attr("fill", blue);
    
    svg.append("rect")
    //where does it start:
    .attr("x", 200)
    .attr("y", 100)
    //what is the size of the rectangle
    .attr("width", 100)
    .attr("height", 200)
    .attr("fill", white);
    
    svg.append("rect")
    //where does it start:
    .attr("x", 300)
    .attr("y", 100)
    //what is the size of the rectangle
    .attr("width", 100)
    .attr("height", 200)
    .attr("fill", red);

</script>
</body>

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