teste de bolinhas

hello markdown

<!DOCTYPE html>
  <head>
    <meta charset="utf-8">
 		<script src="https://d3js.org/d3.v4.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/rough.js/2.2.5/rough.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 circs = [32, 57, 238, 12, 122, 3333, 444, 44]
      
      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 circle = svg.selectAll("circle")
    		.data(circs, function(d) { return d; }) ;

circle.enter().append("circle")
    		.attr("cy", 139)
    		.attr("cx", function(d, i) { return i * 100 + 30; })
    		.attr("r", function(d) { return Math.sqrt(d); })
    		.attr("fill", "steelblue");

</script>
  </body>

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

https://cdnjs.cloudflare.com/ajax/libs/rough.js/2.2.5/rough.min.js