object.setAttribute(sName, vValue [, iFlags])
參數:
sName
必填項. String類型，屬性名稱vValue
必填項. 為屬性指定的變數，可以為string, number, 或者 Boolean類型iFlags
選填. 下面指定的兩種 Integer 類型的標誌0
覆蓋同名屬性.1
預設值. 為屬性添加指定的值.
實力
<html>
<head runat="server">
<title>無標題頁</title>
<style type="text/css">
.TableLine
{
border-collapse: collapse;
border: 1px solid #9BC2E0;
}
.TableLine td
{
border: 1px solid #9BC2E0;
}
</style>
<script type="text/javascript">
function a(){
document.getElementById("td_ID").setAttribute("colspan","2",0); //成功
//document.getElementById("td_ID").setAttribute("colspan","2"); 失敗
}
</script>
</head>
<body onload="a()">
<form id="form1" runat="server">
<table id="TableID" class="TableLine">
<tr>
<td>
1
</td>
<td>
2
</td>
</tr>
<tr>
<td id="td_ID">
dasfasfd
</td>
</tr>
<tr>
<td colspan="2">
d
</td>
</tr>
</table>
</form>
</body>
</html>
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