内外边距一定要初始化，不然有些浏览器下取值要悲剧了
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> 5 <title>111</title> 6 <style type="text/css"> 7 body{ 8 margin: 0; 9 padding: 0; 10 } 11 </style> 12 </head> 13 <body> 14 <div id="out1" style="200px;height:100px;overflow:scroll; margin:88px;"> 15 <div style="background:#666666;height:150px;"></div> 16 </div> 17 <script type="text/javascript" src="test12.js"></script> 18 </body> 19 </html>
1 function getElementLeft(element) { 2 var actualLeft = element.offsetLeft; 3 var current = element.offsetParent; 4 5 while (current !== null) { 6 actualLeft += current.offsetLeft; 7 current = current.offsetParent; 8 } 9 return actualLeft; 10 } 11 12 function getElementTop(element) { 13 var actualTop = element.offsetTop; 14 var current = element.offsetParent; 15 16 while (current !== null) { 17 actualTop += current.offsetTop; 18 current = current.offsetParent; 19 } 20 return actualTop; 21 } 22 23 var div = document.getElementById("out1"); 24 console.log(getElementLeft(div)); 25 console.log(getElementTop(div));