<script> var name; var currentList; function addList() { name=document.getElementById("desc").value; if(name=="") { window.alert("请填写一个描述信息"); return; }
currentList=document.getElementById("sortList"); //window.alert(currentList.value); var row,cell,txtnode; row=document.createElement("<tr>"); row.setAttribute("id",name); cell=document.createElement("<td>"); txtnode=document.createTextNode(name); cell.appendChild(txtnode); row.appendChild(cell); var button=document.createElement("<input>"); button.setAttribute("type","button"); button.setAttribute("onclick","deleteButton()"); button.setAttribute("value","删除"); cell=document.createElement("<td>");
cell.appendChild(button); row.appendChild(cell); currentList.appendChild(row); } function deleteButton() { var row=document.getElementById(name); //window.alert(row); currentList.removeChild(row);
currentList=document.getElementById("sortList"); //window.alert(currentList.value); var row,cell,txtnode; row=document.createElement("<tr>"); row.setAttribute("id",name); cell=document.createElement("<td>"); txtnode=document.createTextNode(name); cell.appendChild(txtnode); row.appendChild(cell); var button=document.createElement("<input>"); button.setAttribute("type","button"); button.onclick=function (){deleteButton(name);}; button.setAttribute("value","删除"); cell=document.createElement("<td>");
cell.appendChild(button); row.appendChild(cell); currentList.appendChild(row); } function deleteButton(name) { var row=document.getElementById(name); //window.alert(row); var currentList=document.getElementById("sortList"); currentList.removeChild(row);
<script>
var name;
var currentList;
function addList()
{
name=document.getElementById("desc").value;
if(name=="")
{
window.alert("请填写一个描述信息");
return;
}
currentList=document.getElementById("sortList");
//window.alert(currentList.value);
var row,cell,txtnode;
row=document.createElement("<tr>");
row.setAttribute("id",name);
cell=document.createElement("<td>");
txtnode=document.createTextNode(name); cell.appendChild(txtnode);
row.appendChild(cell); var button=document.createElement("<input>");
button.setAttribute("type","button");
button.setAttribute("onclick","deleteButton()");
button.setAttribute("value","删除");
cell=document.createElement("<td>");
cell.appendChild(button);
row.appendChild(cell);
currentList.appendChild(row);
} function deleteButton()
{
var row=document.getElementById(name);
//window.alert(row);
currentList.removeChild(row);
}
</script>
</head><body>
<form action="" method="POST" name="myform">
<table border="1" align="center" bgcolor="#8797AF" width="400">
<caption><font color="red">动态添加和删除列</font></caption>
<tr>
<td>添加列</td>
<td><input type="text" name="desc" size="20" maxsize="20" id="desc"></td>
<td><input type="button" value="确认" ></td>
</tr>
<tr>
<table border="1" align="center" bgcolor="#AD6875" width="400">
<tr>
<td>描述</td>
<td>操作</td>
</tr>
<tbody id="sortList"></tbody>
</table>
</tr>
</table>
</form>
</body></html>点击删除的时候没的反应,浏览器也不报错,请教各位,该如何解决,不胜感激!!以上是错误代码,下面是正确的:
<html>
<head>
<title>动态添加和删除列</title>
<script>
var name;
var currentList;
function addList()
{
name=document.getElementById("desc").value;
if(name=="")
{
window.alert("请填写一个描述信息");
return;
}
currentList=document.getElementById("sortList");
//window.alert(currentList.value);
var row,cell,txtnode;
row=document.createElement("<tr>");
row.setAttribute("id",name);
cell=document.createElement("<td>");
txtnode=document.createTextNode(name);
cell.appendChild(txtnode);
row.appendChild(cell);
var button=document.createElement("<input>");
button.setAttribute("type","button");
button.onclick=function (){deleteButton(name);};
button.setAttribute("value","删除");
cell=document.createElement("<td>");
cell.appendChild(button);
row.appendChild(cell);
currentList.appendChild(row);
}
function deleteButton(name)
{
var row=document.getElementById(name);
//window.alert(row);
var currentList=document.getElementById("sortList");
currentList.removeChild(row);
}
</script>
</head>
<body>
<form action="" method="POST" name="myform">
<table border="1" align="center" bgcolor="#8797AF" width="400">
<caption><font color="red">动态添加和删除列</font></caption>
<tr>
<td>添加列</td>
<td><input type="text" name="desc" size="20" maxsize="20" id="desc"></td>
<td><input type="button" value="确认" ></td>
</tr>
<tr>
<table border="1" align="center" bgcolor="#AD6875" width="400">
<tr>
<td>描述</td>
<td>操作</td>
</tr>
<tbody id="sortList"></tbody>
</table>
</tr>
</table>
</form>
</body>
</html>
----google
你试试这个方法
$("tr").append(td);
有两种方案可以解决:
1.DOM 对象操作,得到指定的单元格,调用对的删除子元素方法,如:obj.remove(cell);
2,第二中,可以采用隐藏该表的对应列,即设置 WIDTH = 0,从上到下,根据行数;需要注意的是,如果直接动态删除摸列,页面会出现错位效果!
//表格删除行操作
var tr_selected;
var tab_rows;
function delRow(tabId){
var tab = document.getElementById("mytab");
if(tab || "TABLE"==tab.tagName){
tab_rows = tab.rows.length;
var tbody = tab.childNodes.item(0); if(tr_selected){
if(tab_rows>2){
tr_selected.removeNode(tr_selected);
tr_selected = null;
}else{
alert("clear text");
}
}else{
alert("no row is selectd!");
}
}else{
alert("["+tabId+"] is not table object");
}
}
//根据当前行清空文本中的数据
function clearTdText(tr){
if(tr || "TR"==tr.tagName){
var length = tr.cells.length;
//alert(length);
for(var i=0;i<length;i++){
var td = tr.childNodes.item(i);
var cols = td.childNodes.length;
for(var k=0;k<cols;k++){
var el = td.childNodes.item(k);
var name = el.tagName;
//alert(name);
if("INPUT"==name){
el.value = "";
}else{
var el1 = el.childNodes.item(0);
if(el1 && el1.tagName=="INPUT"){
el1.value = "";
}
}
}
}
}
}