改变表格单元格之间的空白及单元边沿与其内容之间的空白 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>蜜蜂教程(mifengjc.com)</title>
  <script>
    function padding() {
      document.getElementById('myTable').cellPadding = "25";
    }

    function spacing() {
      document.getElementById('myTable').cellSpacing = "15";
    }
  </script>
</head>
<body>

  <table id="myTable" border="1">
    <tr>
      <td>cell 1</td>
      <td>cell 2</td>
    </tr>
    <tr>
      <td>cell 3</td>
      <td>cell 4</td>
    </tr>
  </table>
  <br>
  <button type="button" onclick="padding()">修改单元格边距</button>
  <button type="button" onclick="spacing()">修改单元格间距</button>

</body>
</html>
        