multiple appends to a group

_.md

[ Launch: Tributary inlet ] 6557620 by trinary

config.json

{"description":"multiple appends to a group","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/BB4ltWi.png"}

inlet.js

var data = d3.range(10);

var svg = d3.select("svg");

var groups = svg.selectAll("g")
	.data(data)
	.enter()
	.append("g");
var greenDots = groups.append("circle")
	.classed("green",true)
	.attr({
      cx: function(d) {return d * 27 + 26},
      cy: 40,
      r: 8,
      fill: "green"
	});
var blueDots = groups.append("circle")
	.classed("blue", true)
	.attr({
      cx: function(d) {return d * 27 + 26},
      cy: 60,
      r: 8,
      fill: "blue"
	});