index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>WebSensors</title>
  <style>
    html,
    body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      position: relative;
    }

    table {
      margin: 0 auto;
    }

    th {
      text-align: right;
    }
  </style>
</head>
<body>
  <table>
    <tbody>
      <tr>
        <th>
          加速度计（Accelerometer）
        </th>
        <td>
          <span class='accelerometer'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          陀螺仪（Gyroscope）
        </th>
        <td>
          <span class='gyroscope'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          线性加速度传感器（LinearAccelerationSensor）
        </th>
        <td>
          <span class='linear-acceleration-sensor'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          绝对方向传感器（AbsoluteOrientationSensor）
        </th>
        <td>
          <span class='absolute-orientation-sensor'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          相对方向传感器（RelativeOrientationSensor）
        </th>
        <td>
          <span class='relative-orientation-sensor'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          环境光传感器（AmbientLightSensor）
        </th>
        <td>
          <span class='ambient-light-sensor'>No</span>
        </td>
      </tr>
      <tr>
        <th>
          磁力计（Magnetometer）
        </th>
        <td>
          <span class='magnetometer'>No</span>
        </td>
      </tr>
    </tbody>
  </table>
  <script>
    (function() {
      if (window.Accelerometer) {
        setSensorStatusText('.accelerometer', 'Yes');
      }

      if (window.Gyroscope) {
        setSensorStatusText('.gyroscope', 'Yes');
      }

      if (window.LinearAccelerationSensor) {
        setSensorStatusText('.linear-acceleration-sensor', 'Yes');
      }

      if (window.AbsoluteOrientationSensor) {
        setSensorStatusText('.absolute-orientation-sensor', 'Yes');
      }

      if (window.RelativeOrientationSensor) {
        setSensorStatusText('.relative-orientation-sensor', 'Yes');
      }

      if (window.AmbientLightSensor) {
        setSensorStatusText('.ambient-light-sensor', 'Yes');
      }

      if (window.Magnetometer) {
        setSensorStatusText('.magnetometer', 'Yes');
      }

      function setSensorStatusText(selector, text) {
        var domSel = document.querySelector(selector);
        if (domSel) {
          domSel.innerText = text;
        }
      }
    })();
  </script>
</body>
</html>