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>
Readers who are interested in more jQuery-related content can check out the special topics on this site: "JQuery drag effects and skills summary", "jQuery extension skills summary", "JQuery common classic special effects summary", "jQuery animation and special effects usage summary", "jquery selector usage summary" and "jQuery common plug-ins and usage Summary》
I hope this article will be helpful to everyone in jQuery programming.
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