javascript检测客户端环境是否是pc端

     //isPC(): 检测客户端环境是否是pc端
     function isPC(){
         let userAgent = navigator.userAgent;
         let agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
         let ispc = true, v;
         for(v = 0; v < agents.length; v++){
             if (userAgent.indexOf(agents[v]) > 0){ispc = false; break;}
         }
         return ispc;
     }
     //调用
     document.write(isPC());//true