function(d) { return d }

_.md

[ Launch: function(d) { return d } ] 5842519 by enjalot

config.json

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inlet.js

var svg = d3.select("svg")

var data = [[10,20],[30,40]];
svg.selectAll("g")
.data(data)
.enter()
.append("g")
.attr("transform", function(d,i) { return "translate(" + [i * 100, 0] + ")"})
.selectAll("circle")
//.data(function(d) { console.log(d); return d })
.data(Object)
.enter()
.append("circle")
.attr({
  cx: function(d,i) { return 100 + i * 40 },
  cy: 100,
  r: function(d,i) { return d }
})