<!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=utf-8" /> <title>获取非行内样式</title> <style> #w{width:100px;} </style> </head> <body> <div id="w"> </div> <script> function sCss(){ var oD=document.getElementById("w"); if(oD.currentStyle) {
//ie
alert(oD.currentStyle.width);
} else {
//firefox
alert(getComputedStyle(oD,false).width);
} } sCss(); </script> </body> </html>
//getComputedStyle 指元素的最终样式
//currentStyle IE专用
原文：http://www.cnblogs.com/dream-w/p/4807036.html