动态添加和删除行
<html>
<head>
<title>动态添加和删除行</title>
<script type="text/javascript">
<!--
var count = 1;
var nRows = 2;
function addRow() {
var tBody = document.getElementById('theBody');
var newRow = document.createElement('tr');
var col1 = document.createElement('td');
var col2 = document.createElement('td');
var col3 = document.createElement('td');
var rA = document.createElement('a');
newRow.setAttribute('id', 'n' + count);
rA.setAttribute('href', 'javascript:removeRow(\'n' + count + '\');');
rA.appendChild(document.createTextNode('Remove'));
col1.appendChild(document.createTextNode('Col 1 Row ' + nRows));
col2.appendChild(document.createTextNode('Col 2 Row ' + nRows));
col3.appendChild(rA);
newRow.appendChild(col1);
newRow.appendChild(col2);
newRow.appendChild(col3);
tBody.appendChild(newRow);
count++;
nRows++;
}
function removeRow(rowId) {
var tBody = document.getElementById('theBody');
tBody.removeChild(document.getElementById(rowId));
nRows--;
}
-->
</script>
</head>
<body>
<table>
<tbody id="theBody">
<tr>
<td>Col 1 Row 1</td>
<td>Col 2 Row 1</td>
</tr>
</tbody>
</table>
<p><a href="javascript:addRow()">Add Row</a></p>
</body>
</html>
<head>
<title>动态添加和删除行</title>
<script type="text/javascript">
<!--
var count = 1;
var nRows = 2;
function addRow() {
var tBody = document.getElementById('theBody');
var newRow = document.createElement('tr');
var col1 = document.createElement('td');
var col2 = document.createElement('td');
var col3 = document.createElement('td');
var rA = document.createElement('a');
newRow.setAttribute('id', 'n' + count);
rA.setAttribute('href', 'javascript:removeRow(\'n' + count + '\');');
rA.appendChild(document.createTextNode('Remove'));
col1.appendChild(document.createTextNode('Col 1 Row ' + nRows));
col2.appendChild(document.createTextNode('Col 2 Row ' + nRows));
col3.appendChild(rA);
newRow.appendChild(col1);
newRow.appendChild(col2);
newRow.appendChild(col3);
tBody.appendChild(newRow);
count++;
nRows++;
}
function removeRow(rowId) {
var tBody = document.getElementById('theBody');
tBody.removeChild(document.getElementById(rowId));
nRows--;
}
-->
</script>
</head>
<body>
<table>
<tbody id="theBody">
<tr>
<td>Col 1 Row 1</td>
<td>Col 2 Row 1</td>
</tr>
</tbody>
</table>
<p><a href="javascript:addRow()">Add Row</a></p>
</body>
</html>