<SCRIPT LANGUAGE="JavaScript">
<!--
function getPosition( obj )
{
//var obj = document.getElementById( objID );
var l = obj.offsetLeft;
var t = obj.offsetTop;
while(obj = obj.offsetParent)
{
l += obj.offsetLeft;
t += obj.offsetTop;
}
return {left:l,top:t};
}
//-->
</SCRIPT>
<form>
<input type=text onclick="alert(getPosition(this).left)"/>
</form>
<!--
function getPosition( obj )
{
//var obj = document.getElementById( objID );
var l = obj.offsetLeft;
var t = obj.offsetTop;
while(obj = obj.offsetParent)
{
l += obj.offsetLeft;
t += obj.offsetTop;
}
return {left:l,top:t};
}
//-->
</SCRIPT>
<form>
<input type=text onclick="alert(getPosition(this).left)"/>
</form>
{
var l=e.offsetLeft; while(e=e.offsetParent) l += e.offsetLeft; return l;}
function getObjectTop(e)
{
var t=e.offsetTop; while(e=e.offsetParent) t += e.offsetTop; return t;}
如果用js 判断服务器上某个js 文件是否存在 ? 要求 IE 和Mozilla 通用的,急啊
var t = obj.offsetTop,l = obj.offsetLeft;
while (obj= obj.offsetParent){
t += obj.offsetTop;
l += obj.offsetLeft;
}
alert(t);
alert(l);
}
<table>
<tr class="TrTitle">
<td align="center" onclick="myPosition(this)">设备台帐类型信息</td>
</tr>
</table>
try { abc();//define this function in js
} catch(e) {
if (e.description == "Object expected ") {
alert("js 不存在");
}
}