js如果区分不同的PC

js获取本机mac地址，IP地址，计算机名根据mac地址来判断<!DOCTYPE HTML><html><head><title>js获取本机mac地址，IP地址，计算机名</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta content="MSHTML 6.00.2800.1106" name="GENERATOR"></head>    <body> <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">     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">     document.forms[0].txtMACAddr.value=unescape(MACAddr);     document.all.txtIPAddr.value=unescape(IPAddr);     document.forms[0].txtDNSName.value=unescape(sDNSName);     //document.formbar.submit(); </script> <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>     <form id="formfoo" name="formbar" action="#" method="post"><input value="00:05:5D:0E:C7:FA" name="txtMACAddr"><input value="10.241.91.51" name="txtIPAddr"><input value="typ" name="txtDNSName"></form></body></html>

js如果区分不同的PC

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