MAC addresses in JavaScript
function showMacAddress() {
var obj = new ActiveXObject("WbemScripting.SWbemLocator");
var s = obj.ConnectServer(".");
var properties = s.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration");
var e = new Enumerator(properties);
var output;
output = '<table border="0" cellPadding="5px" cellSpacing="1px" bgColor="#CCCCCC">';
output = output + '<tr bgColor="#EAEAEA"><td>Caption</td><td>MACAddress</td></tr>';
while (!e.atEnd()) {
e.moveNext();
var p = e.item();
if (!p) continue;
output = output + '<tr bgColor="#FFFFFF">';
output = output + '<td>' + p.Caption; +'</td>';
output = output + '<td>' + p.MACAddress + '</td>';
output = output + '</tr>';
}
output = output + '</table>';
document.getElementById("box").innerHTML = output;
}
showMacAddress();