我向在<head></head>中用javascript动态增加一行<link ...>
如题 
 谢谢
------解决方案--------------------var head=document.getElementsByTagName(  "HEAD " ); 
 var new_link = document.createElement(  'link ' ); 
 new_link.type =  'text/css '; 
 new_link.href =  'css/style.css ';  
 head[0].appendChild( new_link );
------解决方案--------------------var head=document.getElementsByTagName(  "HEAD " ); 
 var new_link = document.createElement(  'link ' ); 
 new_link.type =  'text/css '; 
 new_link.href =  'css/style.css ';  
 new_link.rel= "stylesheet ";  //还要加上这句才行 
 head[0].appendChild( new_link );