flags

<!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:-6; }
  </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", 960)

svg.append("rect")
      .attr("height", 125)
      .attr("width", 200)
      .attr("x", 100)
      .attr("y", 200)
    	.attr("fill","white")
    	.attr("stroke","black")
    svg.append("circle")
      .attr("r", 40)
     	.attr("cx", 200)
     	.attr("cy", 262)
   		.attr("fill","red")
    
    svg.append("rect")
      .attr("height", 127)
      .attr("width", 200)
      .attr("x", 400)
      .attr("y", 200)
    	.attr("fill","darkturquoise")
    	.attr("stroke","black")
    
	svg.append("rect")
      .attr("height", 40)
      .attr("width", 200)
      .attr("x", 400)
      .attr("y", 242)
    	.attr("fill","gold")
  		.attr("stroke","black")
  svg.append("polygon")
  		.attr("points","396,198 397,328 490,264")
  		
  
  
  </script>
</body>

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