<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
*{ margin:0; padding:0}
div {padding: 40px 50px;}
#div1 {background: red;position: relative;}
#div2 {background: green; position: relative;}
#div3 {background: orange; position: relative;}
</style>
<script>
window.onload = function() {
var oDiv3 = document.getElementById(‘div3‘);
var p = getPos( oDiv3 );
//alert( p.left );
alert( p.top );
function getPos(obj) {
var pos = {left:0, top:0};//Jason
while (obj) {
pos.left += obj.offsetLeft;
pos.top += obj.offsetTop;
obj = obj.offsetParent;
}
return pos;
}
}
</script>
</head>
<body id="body1">
<div id="div1">
<div id="div2">
<div id="div3"></div>
</div>
</div>
</body>
</html>
时间： 2024-10-24 16:20:06