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<title>無標題文檔</title>
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<script type="text/javascript" src="../Day26/doctool.js"></script>
<script type="text/javascript">
function createTab1()
{
var tabNode = doc.createElement("table");
var tbdNode = doc.createElement("tbody");
var trNode = doc.createElement("tr");
var tdNode = doc.createElement("td");
var textNode = doc.createTextNode("單元格一");
tdNode.appendChild(textNode);
trNode.appendChild(tdNode);
tbdNode.appendChild(trNode);
tabNode.appendChild(tbdNode);
byTag("div")[0].appendChild(tabNode);
}
function createTab()
{
var tabNode = doc.createElement("table");
//tabNode.id = "tabid";
tabNode.setAttribute("id","tabid");
var row = byName("rownum")[0].value;
var col = byName("colnum")[0].value;
for(var x=1; x<=row; x++)
{
var trNode = tabNode.insertRow();
for(var y=1; y<=col; y++)
{
var tdNode = trNode.insertCell();
tdNode.innerHTML = x+"...."+y;
}
}
byTag("div")[0].appendChild(tabNode);
event.srcElement.disabled = true;
}
function delRow()
{
var tabNode = byId("tabid");
if(tabNode==null)
{
alert("表格不存在 ");
return;
}
var rownum = byName("delrow")[0].value;
if(rownum>0 && rownum<=tabNode.rows.length)
tabNode.deleteRow(rownum-1);
else
{
alert("刪除的行不存在，學習數數很重要");
}
}
function delCol()
{
var tabNode = byId("tabid");
if(tabNode==null)
{
alert("表格不存在 ");
return;
}
var colnum = byName("delcol")[0].value;
if(colnum>0 && colnum<=tabNode.rows[0].cells.length)
{
for(var x=0;x<tabNode.rows.length; x++)
{
tabNode.rows[x].deleteCell(colnum-1);
}
}
else
{
alert("刪除的列不存在");
}
}
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通過頁面的按鈕可以動態的創建一個表格。
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行：<input type="text" name="rownum" /><br />
列：<input type="text" name="colnum" /><br />
<input type="button" value="創建表格" onclick="createTab()" /><br />
<input type="text" name="delrow" />
<input type="button" value="刪除行" onclick="delRow()" />
<br />
<input type="text" name="delcol" />
<input type="button" value="刪除列" onclick="delCol()" />
<br />
<br />
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</body>
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