List the UTC Time on a Computer_javascript技巧

var wbemFlagReturnImmediately = 0x10; 
var wbemFlagForwardOnly = 0x20; 

   var objWMIService = GetObject("winmgmts:\\\\.\\root\\CIMV2"); 
   var colItems = objWMIService.ExecQuery("SELECT * FROM Win32_UTCTime", "WQL", 
                                          wbemFlagReturnImmediately | wbemFlagForwardOnly); 

   var enumItems = new Enumerator(colItems); 
   for (; !enumItems.atEnd(); enumItems.moveNext()) { 
      var objItem = enumItems.item(); 

      WScript.Echo("Day: " + objItem.Day); 
      WScript.Echo("Day Of Week: " + objItem.DayOfWeek); 
      WScript.Echo("Hour: " + objItem.Hour); 
      WScript.Echo("Milliseconds: " + objItem.Milliseconds); 
      WScript.Echo("Minute: " + objItem.Minute); 
      WScript.Echo("Month: " + objItem.Month); 
      WScript.Echo("Quarter: " + objItem.Quarter); 
      WScript.Echo("Second: " + objItem.Second); 
      WScript.Echo("Week In Month: " + objItem.WeekInMonth); 
      WScript.Echo("Year: " + objItem.Year); 
      WScript.Echo(); 
   }