js判断是否为pc端或移动端

function IsPC()  

{  

           var userAgentInfo = navigator.userAgent;  

           var Agents = new Array("Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod");  

           var flag = true;  

           for (var v = 0; v < Agents.length; v++) {  

               if (userAgentInfo.indexOf(Agents[v]) > 0) { flag = false; break; }  

           }  

           return flag;  

}            

转自http://blog.csdn.net/wz361790599/article/details/8211877