改变空单元格的显示方式 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>蜜蜂教程(mifengjc.com)</title>
  <script>
    function show() {
      document.getElementById("myTable").style.emptyCells = "show";
    }

    function hide() {
      document.getElementById("myTable").style.emptyCells = "hide";
    }
  </script>
</head>
<body>

  <table id="myTable" border="1">
    <tr>
      <th>Month</th>
      <th>Savings</th>
    </tr>
    <tr>
      <td>January</td>
      <td>$100</td>
    </tr>
    <tr>
      <td>February</td>
      <td></td>
    </tr>
  </table>
  <br>
  <button type="button" onclick="show()">显示空单元格</button>
  <button type="button" onclick="hide()">隐藏空单元格</button>
  <p><b>注意:</b> Internet Explorer 8 及更早版本要支持empty-cells属性必须声明 !DOCTYPE 。</p>

</body>
</html>
        