可自定义的radar

<!DOCTYPE html>
<meta charset="utf-8">
<style>
  body {
    background-color: #F1F3F3
  }

.axis {
    font: 15px sans-serif;
  }

.axis path,
  .axis line {
    fill: none;
    stroke: #D4D8DA;
    stroke-width: 2px;
    shape-rendering: crispEdges;
  }

#chart {
    position: absolute;
    top: 50px;
    left: 100px;
  }
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="RadarChart-0.js"></script>

// Config for the Radar chart
  var config = {
    w: width,
    h: height,
    maxValue: 100,
    minValue: 20,
    levels: 5,
    ExtraWidthX: 300
  }

var data = [
    [
      { "area": "Central ", "value": 80 },
      { "area": "Kirkdale", "value": 40 },
      { "area": "Kensington ", "value": 40 },
      { "area": "Everton ", "value": 90 },
      { "area": "Picton ", "value": 60 },
      { "area": "Riverside ", "value": 80 }
    ],
    [
      { "area": "Central ", "value": 100 },
      { "area": "Kirkdale", "value": 50 },
      { "area": "Kensington ", "value": 50 },
      { "area": "Everton ", "value": 90 },
      { "area": "Picton ", "value": 60 },
      { "area": "Riverside ", "value": 80 }
    ]
  ]

RadarChart.draw("#chart", data, config);

var svg = d3.select('body')
    .selectAll('svg')
    .append('svg')
    .attr("width", width)
    .attr("height", height);
</script>

https://d3js.org/d3.v4.min.js