D3 Examples - FrontendMasters D3 Challenge 1

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.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>
  <svg></svg>
  <script>
        // Set constants
    const city = 'San Francisco';
    const width = 800;
    const height = 300;
    
    // Grab data set and work on data
        d3.tsv('data.tsv', (err, data) => {
      // Clean Data
      data.forEach(d => {
        d.date = d3.timeParse('%Y%m%d')(d.date);
        d.date = new Date(d.date); //x
        ++d[city]; //y
      });
      
      var svg = d3.select('svg')
                            .attr('width', width)
                  .attr('height', height)
                            .style('border', '1px solid #000');
      
      svg.selectAll('rect')
        .data(data)
        .enter()
        .append('rect')
        .attr('x', (d, i) => i)
        .attr('y', (d) => height - d[city])
        .attr('width', 5)
        .attr('height', d => d[city])
        .attr('fill', 'blue')       
    });
  </script>
</body>
​
    