Test__01

<!DOCTYPE html>
  <head>
    <meta charset="utf-8">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
    <style>
      body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
      svg { width: 100%; height: 100%; }
    </style>
  </head>

<body>
    <script>
      var margin = {top: 20, right: 10, bottom: 20, left: 10};
      var width = 960 - margin.left - margin.right;
      var height = 500 - margin.top - margin.bottom;
      var svg = d3.select("body").append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
      .append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
      
      var jsonCircles = [
        { "x_axis": 30, "y_axis": 30, "radius": 20, "color" : "green" },
        { "x_axis": 70, "y_axis": 70, "radius": 20, "color" : "purple"},
        { "x_axis": 195, "y_axis": 188, "radius": 20, "color" : "purple"},
        { "x_axis": 242, "y_axis": 218, "radius": 20, "color" : "orange"},
        { "x_axis": 142, "y_axis": 212, "radius": 20, "color" : "purple"},
        { "x_axis": 110, "y_axis": 100, "radius": 20, "color" : "red"}];
 
      var circles = svg.selectAll("circle")
                            .data(jsonCircles)
                            .enter()
                            .append("circle");
      
      var rects = svg.selectAll("rect")
                            .data(jsonCircles)
                            .enter()
                            .append("rect");
 
       var circleAttributes = circles
                         .attr("cx", function (d) { return d.x_axis; })
                         .attr("cy", function (d) { return d.y_axis; })
                         .attr("r", function (d) { return d.radius; })
                         .style("fill", function(d) { return d.color; });
      
      var rectAttributes = rects
                         .attr("x", function (d) { return d.x_axis; })
                         .attr("y", function (d) { return d.y_axis; })
                         .attr("width", function (d) { return d.radius; })
      									 .attr("height", function (d) { return d.radius; })
                         .style("fill", function(d) { return d.color; });
      
    </script>
    </script>
  </body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js