jQuery——动态给表格添加序号
$(function(){
//$(‘table tr:not(:first)‘).remove();
var len = $(‘table tr‘).length;
for(var i = 1;i<len;i++){
$(‘table tr:eq(‘+i+‘) td:first‘).text(i);
}
});
原始代码
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://common.cnblogs.com/script/jquery.js"
type="text/javascript"></script>
<title>jQuery</title>
</head>
<body>
<table width=500 border=2>
<tr><td width=250>序号</td><td width=250>项目</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
<tr><td></td><td>Port</td></tr>
</table>
</body>
</html>
变成
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://common.cnblogs.com/script/jquery.js"
type="text/javascript"></script>
<title>jQuery</title>
</head>
<body>
<table width=500 border=2>
<tr><td width=250>序号</td><td width=250>项目</td></tr>
<tr><td>1</td><td>Port</td></tr>
<tr><td>2</td><td>Port</td></tr>
<tr><td>3</td><td>Port</td></tr>
<tr><td>4</td><td>Port</td></tr>
<tr><td>5</td><td>Port</td></tr>
<tr><td>6</td><td>Port</td></tr>
<tr><td>7</td><td>Port</td></tr>
<tr><td>8</td><td>Port</td></tr>
</table>
</body>
</html>
时间： 2024-12-28 14:58:19