JavaScrip获得空间的位置

原创于 2010-09-17 12:10:54 发布 · 92 阅读

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>获取控件在网页中的绝对位置</title>
</head>

<body>

<input type="button" value="点我获取我的座标" onclick="javascript:var pos = GetObjPos(this);alert('此按钮距页面左端 '+pos.x+' 像素，上端 '+pos.y+' 像素');" />
<script type="text/javascript" language="javascript">
function CPos(x, y)
{
this.x = x;
this.y = y;
}

function GetObjPos(ATarget)
{
var target = ATarget;
var pos = new CPos(target.offsetLeft, target.offsetTop);

var target = target.offsetParent;
while (target)
{
pos.x += target.offsetLeft;
pos.y += target.offsetTop;

target = target.offsetParent
}

return pos;
}
</script>

</body>

</html>