function IsPC() {

   var userAgentInfo = navigator.userAgent;

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

   var flag = true;

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

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

   }

   return flag;

}

 注释：

如果  flag  返回 false;     手机端  
　　　flag  返回  turn     PC端；

if(IsPC()){

    var size =0.5,title = document.title ;

    document.querySelector('.scene_title').innerHTML=title;

    document.querySelector('.p-index').style.cssText = "position:relative;height:486px;overflow:hidden;cursor:pointer";

}else{

    $("#code").remove();

    $('.p-index').clone().appendTo($("body"));

    $(".phone_panel").remove();

    document.querySelector('.p-index').style.height = (document.body.clientHeight ||  document.documentElement.clientHeight )+"px"

}