D3 Examples - Canvas Parallel Coordinates

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<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
    <title>Canvas Parallel Coordinates</title>
    <style type="text/css">
​
svg {
  font: 10px sans-serif;
}
​
canvas, svg {
  position: absolute;
  top: 0;
  left: 0;
}
​
#chart {
  position: relative;
}
​
.brush .extent {
  fill-opacity: .3;
  stroke: #fff;
  shape-rendering: crispEdges;
}
​
.axis line, .axis path {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.axis text {
  text-shadow: 0 1px 0 #fff;
}
​
#staging {
  display: none;
}
    </style>
  </head>
  <body>
    <div id="chart">
      <canvas id="background"></canvas>
      <canvas id="foreground"></canvas>
      <canvas id="staging"></canvas>
      <svg></svg>
    </div>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/d3@2.10.3/d3.v2.js"></script>
    <script type="text/javascript" src="parallel.js"></script>
  </body>
</html>
    