D3 Examples - bar blocks2

xxxxxxxxxx
 
<!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>
        var rectWidth = 20;
    var height = 400;
    var data = [100, 250, 175,45,12,44,33,122,321];
    
    var rect = d3.select('svg').selectAll('rect')
        .data(data)
            .enter().append('rect')
        .attr('x', (d, i) => (i * rectWidth) + 10)
        .attr('y', d => height - d)
        .attr('width', rectWidth)
        .attr('height', d => d)
        .attr('fill', d => {if (d > 100) return 'green'; return 'blue'})
        .attr('stroke', '#fff');
​
  </script>
</body>
    