D3 Examples - minimalistic grid

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<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="https://romsson.github.io/d3-gridding/build/d3-gridding.js"></script>
<script>
​
var width = 400,
    height = 300;
​
var gridding = d3.gridding()
  .size([width, height])
  .mode("grid");
​
var data = d3.range(250);
​
var griddingData = gridding(data);
​
var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);
​
svg.selectAll(".square")
    .data(griddingData)
  .enter().append("rect")
    .style("fill", "none")
        .style("stroke", "black")
    .attr("width", function(d) { return d.width; })
    .attr("height", function(d) { return d.height; })
    .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
    
  </script>
</body>
​
    