js设置cookie

//设置cookie  function setCookie(){  //获取当前时间var date=new Date();var expireDays=10;//将date设置为10天以后的时间date.setTime(date.getTime()+expireDays*24*3600*1000);document.cookie ="loginName="+$("#loginName").val()+";expires="+date.toGMTString();  }  //获取cookie  function getCookie(){  var cookiestr = document.cookie;  var cooks = cookiestr.split(";");  var loginName = "";  for(var i=0;i<cooks.length;i++){  var cs = cooks[i].split("=");  if(cs[0]=="loginName"){  loginName = cs[1];  break;  }  }  $("#loginName").val(loginName);  }