JScript調用activeXObject獲取訪客的網卡MAC地址，注意只能IE下運行（IE8+沒測試），會有安全提示，提示如下：
複製代碼代碼如下:
在此頁上的ActiveX控件和本頁上的其他部分的交互可能不安全。你想允許這種交互嗎？
注意選擇”是“，要不報錯無法獲取：
源代碼如下：
<html> <head> <title>JScript+ActiveX獲取訪客MAC網卡地址</title> </head> <body> <object classid="CLSID:76A64158-CB41-11D1-8B02-00600806D9B6" id="locator" style="display:none;visibility:hidden"></object> <object classid="CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223" id="foo" style="display:none;visibility:hidden"></object> <form name="myForm"> <br/>MAC地址：<input type="text" name="macAddress"> <br/>IP地址：<input type="text" name="ipAddress"> <br/>主機名：<input type="text" name="hostName"> </form> </body> </html><script language="javascript"> var sMacAddr = ""; var sIPAddr = ""; var sDNSName = ""; var service = locator.ConnectServer(); service.Security_.ImpersonationLevel = 3; service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration'); </script> <script FOR="foo" EVENT="OnObjectReady(objObject,objAsyncContext)" LANGUAGE="JScript"> if(objObject.IPEnabled != null && objObject.IPEnabled != "undefined" && objObject.IPEnabled == true){ if(objObject.IPEnabled && objObject.IPAddress(0) !=null && objObject.IPAddress(0) != "undefined" && objObject.DNSServerSearchOrder!=null) sIPAddr = objObject.IPAddress(0); if(objObject.MACAddress != null &&objObject.MACAddress != "undefined") sMacAddr = objObject.MACAddress; if(objObject.DNSHostName != null &&objObject.DNSHostName != "undefined") sDNSName = objObject.DNSHostName; } </script> <script FOR="foo" EVENT="OnCompleted(hResult,pErrorObject, pAsyncContext)" LANGUAGE="JScript"> myForm.macAddress.value=sMacAddr; myForm.ipAddress.value=sIPAddr; myForm.hostName.value=sDNSName; </script>