//计算元素的文档坐标
function getElementPosition(e){
var x=0,y=0;
while(e !=null){
x +=e.offsetLeft;
y +=e.offsetTop;
e=e.offsetParent;
}
return {x:x, y:y} ;
}
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
div{
font-family: "宋体";
font-size: 12px;
color: #000000;
}
#div1{
position:absolute;
background-color:#f0f0f0;
width:200px;
height:200px;
left:20px;
top:0px;
z-index:1;
}
#div2{
background-color:#cfc0cf;
width:200px;
height:210px;
position:absolute;
left:261px;
top:347px;
z-index:100;
}
#div3{
background-color:#abbfbf;
width:200px;
height:200px;
position:absolute;
left:20px;
top:247px;
z-index:100;
}
#div4{
background-color:#cfcfcf;
width:200px;
height:200px;
position:absolute;
left:461px;
top:147px;
z-index:100;
}
-->
</style>
</head>
<body>
<div id='div1' >offset 控件相对于父窗体的位置</div>
<script>
function offset(ids){
ids.innerHTML="offsetLeft ="+ids.offsetLeft+"<BR>";
ids.innerHTML+="offsetWidth ="+ids.offsetWidth+"<BR>";
ids.innerHTML+="offsetHeight ="+ids.offsetHeight+"<BR>";
ids.innerHTML+="offsetTop ="+ids.offsetTop+"<BR>";
ids.innerHTML+="event.offset 鼠标相对于控件的位置<BR>";
ids.innerHTML+="offsetX ="+event.offsetX+"<BR>";
ids.innerHTML+="offsetY ="+event.offsetY+"<BR>";
}
function screen(ids){
ids.innerHTML="scrollWidth ="+ids.scrollWidth+"<BR>";
ids.innerHTML+="scrollHeight ="+ids.scrollHeight+"<BR>";
ids.innerHTML+="scrollTop ="+ids.scrollTop+"<BR>";
ids.innerHTML+="scrollLeft ="+ids.scrollLeft+"<BR>";
}
function client(ids){
ids.innerHTML="clientWidth ="+ids.clientWidth+"<BR>";
ids.innerHTML+="clientHeight ="+ids.clientHeight+"<BR>";
ids.innerHTML+="clientTop ="+ids.clientTop+"<BR>";
ids.innerHTML+="clientLeft ="+ids.clientLeft+"<BR>";
}
function eventc(ids){
ids.innerHTML="鼠标相对于屏幕坐标<BR>event.screenX="+event.screenX+"<BR>";
ids.innerHTML+="event.screenY ="+event.screenY+"<BR>";
ids.innerHTML+="鼠标相对于网页坐标event.clientX="+event.clientX+"<BR>";
ids.innerHTML+="event.clientY ="+event.clientY+"<BR>";
}
</script>
</body>
</html>
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