==語句問題，請教賜教

Question

exit('success|登錄成功');
success: function(res)
{
  $('#loading').hide();
  var arr = res.split ('|');
  var returnType = arr[0];
  var msg = arr[1];
         alert(returnType);  ---偵測了顯示也是success
  if(returnType =="success")
  {
     //validateLogin();
             //alert(msg);
 #   else
  {

#

Answer 1

偵測下資料型別是否一致