How to add and delete table columns with jQuery

How to add and delete table columns with jQuery_jquery

WBOY

Release： 2016-05-16 15:13:00

Original

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The example in this article describes the jQuery method of adding and deleting table columns. Share it with everyone for your reference, the details are as follows:

Let’s take a look at the operation renderings first:

The complete code is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="jquery-1.4.2.min.js" type="text/javascript"></script>
<script type="text/javascript"><!--
function addCol() {
  $th = $("<th>增加的列头</th>");
  $col = $("<td>增加的列</td>");
  $("#tab1>thead>tr").append($th);
  $("#tab1>tbody>tr").append($col);
}
function delCol() {
  //移除最后一列
  $("#tab1 tr :last-child").remove();
  //移除第一列
  //$("#tab1 tr :first-child").remove();
  //移除指定的列, 注:这种索引从1开始
  //$("#tab1 tr :nth-child(2)").remove();
  //移除第一列之外的列
  //$("#tab1 tr :not(:nth-child(1))").remove();
}
// --></script>
</head>
<body>
<input id="Button1" type="button" onclick="addCol()" value="增加列" />
<input id="Button2" type="button" onclick="delCol()" value="减少列" />
  <table id="tab1" border="1" style="width: 200px;">
    <thead>
    <tr>
      <th>
        Id</th>
      <th>
        Name</th>
    </tr>
    </thead>
    <tbody>
    <tr>
      <td>
        1</td>
      <td>
        叶子</td>
    </tr>
    <tr>
      <td>
        2</td>
      <td>
        王子</td>
    </tr>
    </tbody>
  </table>
</body>
</html>

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I hope this article will be helpful to everyone in jQuery programming.