图表控件AnyChart教程：如何制作 JavaScript 极坐标图（二）

<html>
  <head>
    <title>JavaScript Polar Chart</title>
    <script src="https://cdn.anychart.com/releases/8.10.0/js/anychart-core.min.js"></script>
    <script src="https://cdn.anychart.com/releases/8.10.0/js/anychart-polar.min.js"></script>
    <style type="text/css">
      html,
      body,
      #container {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <script>
      anychart.onDocumentReady(function () {
 
        // create a polar chart
        var chart = anychart.polar();
 
        // add data as an array of objects
        var data = [
          { x: 'Excel', value: 44.7 },
          { x: 'Tableau', value: 36.1 },
          { x: 'Pen & Paper', value: 27.1 },
          { x: 'R', value: 25 },
          { x: 'Python', value: 24.1 },
          { x: 'D3.js', value: 21.2 },
          { x: 'Illustrator', value: 20.3 },
          { x: 'ggplot2', value: 19.8 },
          { x: 'Power BI', value: 18.7 },
          { x: 'Plotly', value: 11.8 },
          { x: 'Matplotlib', value: 10.58 },
          { x: 'Mapbox', value: 9.28 },
          { x: 'QGIS', value: 9.22 },
          { x: 'ArcGIS', v