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<html lang="zh-CN"><head><meta charset="utf-8"><title>Chart · Radar</title>
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<link rel="stylesheet" href="../../assets/base.css">
<link rel="stylesheet" id="theme-link" href="../../assets/themes/minimal-white.css">
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<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.3/dist/chart.umd.min.js"></script>
</head><body class="single">
<div class="deck"><section class="slide is-active" data-title="Radar chart">
  <p class="kicker">Chart · 雷达图</p>
  <h2 class="h2">把 html-ppt 和竞品放一张图</h2>
  <div class="card mt-l" style="height:520px;padding:28px"><canvas id="c"></canvas></div>
  <script>
    addEventListener('DOMContentLoaded',()=>{
      const css=getComputedStyle(document.documentElement);
      const a1=css.getPropertyValue('--accent').trim();
      const a2=css.getPropertyValue('--accent-2').trim();
      const text2=css.getPropertyValue('--text-2').trim();
      new Chart(document.getElementById('c'),{type:'radar',
        data:{labels:['上手','美观','自定义','性能','导出','生态'],
          datasets:[
            {label:'html-ppt',data:[9,9,10,10,9,6],borderColor:a1,backgroundColor:a1+'33',borderWidth:3,pointRadius:5},
            {label:'reveal.js',data:[8,7,9,8,8,10],borderColor:a2,backgroundColor:a2+'22',borderWidth:3,pointRadius:5}]},
        options:{plugins:{legend:{labels:{color:text2}}},
          scales:{r:{suggestedMin:0,suggestedMax:10,ticks:{color:text2,backdropColor:'transparent'},
                     pointLabels:{color:text2,font:{size:14}},grid:{color:'rgba(0,0,0,.08)'},angleLines:{color:'rgba(0,0,0,.08)'}}}}});
    });
  </script>
</section></div>
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