const ctx = document.getElementById('myChart');
const data = {
  labels: [
    '语文',
    '数学',
    '英文',
    '物理',
    '化学',
    '生物',
    '历史'
  ],
  datasets: [{
    label: '模拟一',
    data: [121, 150, 90, 89, 67, 121, 80],
    fill: true,
    backgroundColor: 'rgba(255, 99, 132, 0.2)',
    borderColor: 'rgb(255, 99, 132)',
    pointBackgroundColor: 'rgb(255, 99, 132)',
    pointBorderColor: '#fff',
    pointHoverBackgroundColor: '#fff',
    pointHoverBorderColor: 'rgb(255, 99, 132)'
  }, {
    label: '模拟二',
    data: [128, 148, 140, 119, 96, 127, 100],
    fill: true,
    backgroundColor: 'rgba(54, 162, 235, 0.2)',
    borderColor: 'rgb(54, 162, 235)',
    pointBackgroundColor: 'rgb(54, 162, 235)',
    pointBorderColor: '#fff',
    pointHoverBackgroundColor: '#fff',
    pointHoverBorderColor: 'rgb(54, 162, 235)'
  }]
};
const config = {
  type: 'radar',
  data: data,
  options: {
    responsive: true, // 设置图表为响应式，根据屏幕窗口变化而变化
    maintainAspectRatio: false,// 保持图表原有比例
    elements: {
      line: {
        borderWidth: 3 // 设置线条宽度
      }
    }
  }
};
const myChart = new Chart(ctx, config);

点击运行 》