D3 Examples - Citi Bike Dot Plot

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body {
      font-family: sans-serif;
      font-size: 12px;
      margin: 0;
    }
  </style>
</head>
​
<body>
  <script>
    var margin = {top: 120, right: 100, bottom: 50, left: 150};
    
    var width = 960 - margin.left - margin.right,
            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 xScale = d3.scaleLinear()
        .domain([0, d3.max(dataset, d => (d.amount75, d.amount85))])
        .range([0, innerWidth]);
    var yScale = d3.scaleBand()
          .domain(dataset.map(d => d.letter))
          .range([innerHeight, 0])
          .paddingInner(.1);
  </script>
</body>
​
    