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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title> JS获取CSS属性 </title> <style type="text/css"> #f{background-color:#FF0000;} </style> </head> <body> <div id="f" style="width:200px; height:200px;"></div> <script type="text/javascript"> var o = document.getElementById(‘f‘); document.write(o.style.width + ‘<br>‘); // 200px document.write(o.style.backgroundColor + ‘<br>‘); // 空白 function getDefaultStyle(obj,attribute){ return obj.currentStyle?obj.currentStyle[attribute] : document.defaultView.getComputedStyle(obj,false)[attribute]; } document.write(getDefaultStyle(o, ‘width‘) + ‘<br>‘); // 200px document.write(getDefaultStyle(o, ‘backgroundColor‘)); // #FF0000 </script> </body> </html>
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原文地址：http://www.cnblogs.com/houkaihua/p/4773291.html
