原型 - getOffsetParent() 方法
此方法返回元素最接近的定位祖先。如果没有找到,则返回 body 元素。
语法
element.getOffsetParent();
返回值
返回一个 HTML 元素。
示例
<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>
输出
prototype_element_object.htm
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