返回到：Prototype – 元素对象
此方法返回元素最近定位的祖先。如果没有找到，则返回 body 元素。
语法
element.getOffsetParent();
返回值
它返回一个 HTML 元素。
例子
<html>
<head>
<title>Prototype examples</title>
<script type = "text/javascript" src = "/javascript/prototype.js"></script>
<script>
function showResult() {
var node = $('father').getOffsetParent();
alert("Offset Parent is : " + node.nodeName + ':' + node.innerHTML );
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<div id = "grandfather">This is grand father
<div id = "father"> This is father.
<div id = "kid">This is kid</div>
</div>
</div>
<br />
<input type = "button" value = "showResult" onclick = "showResult();"/>
</body>
</html>返回到：Prototype – 元素对象
作者：terry，如若转载，请注明出处：https://www.web176.com/prototype_api/9102.html
