JS to obtain the computer MAC address and IP implementation method

JS to obtain the computer MAC address and IP implementation method

//These are ActiveX plugins & NBSP; for the system;   To get IP and physical addresses
<OBJECT   id=locator   classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6   VIEWASTEXT> </OBJECT> 
<OBJECT   id=foo   classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223> </OBJECT> 
        <SCRIPT   language=JScript   event=OnObjectReady(objObject,objAsyncContext)   for=foo> 
       if(objObject.IPEnabled   !=   null   &&   objObject.IPEnabled   !=   "undefined "   &&   objObject.IPEnabled   ==   true) 
       { 
       if(objObject.MACAddress   !=   null   &&   objObject.MACAddress   !=   "undefined ") 
       MACAddr   =   objObject.MACAddress; 
       if(objObject.IPEnabled   &&   objObject.IPAddress(0)   !=   null   &&   objObject.IPAddress(0)   !=   "undefined ") 
       IPAddr   =   objObject.IPAddress(0); 
       if(objObject.DNSHostName   !=   null   &&   objObject.DNSHostName   !=   "undefined ") 
       sDNSName   =   objObject.DNSHostName; 

       } 
       </SCRIPT> 
       <SCRIPT   language=JScript> 
       var   service   =   locator.ConnectServer(); 
       var   MACAddr   ; 
       var   IPAddr   ; 
       var   DomainAddr; 
       var   sDNSName; 
       service.Security_.ImpersonationLevel=3; 
       service.InstancesOfAsync(foo,   'Win32_NetworkAdapterConfiguration '); 

       </SCRIPT>        <SCRIPT   language=JScript   event= "OnCompleted(hResult,pErrorObject,   pAsyncContext) "   for=foo> 
   alert(" Physical address "+MACAddr+"IP address "+IPAddr+" The host name "+sDNSName))
       </SCRIPT> "