Alamat MAC dalam JavaScript

Jawaban cepat dan sederhana adalah Tidak.

Javascript adalah bahasa tingkat tinggi dan tidak memiliki akses ke informasi semacam ini.

I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of:

• Using Java (with a signed applet)
• Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS (but it is fairly complicated to set up)

No you cannot get the MAC address in JavaScript, mainly because the MAC address uniquely identifies the running computer so it would be a security vulnerability.

Now if all you need is a unique identifier, I suggest you create one yourself using some cryptographic algorithm and store it in a cookie.

If you really need to know the MAC address of the computer AND you are developing for internal applications, then I suggest you use an external component to do that: ActiveX for IE, XPCOM for Firefox (installed as an extension).

Tidak. Alasan ActiveX dapat melakukannya adalah karena ActiveX adalah aplikasi kecil yang berjalan pada mesin klien.

Saya akan membayangkan akses ke informasi tersebut melalui JavaScript akan menjadi kerentanan keamanan.

Jika ini untuk aplikasi intranet dan semua klien menggunakan DHCP, Anda dapat meminta server DHCP untuk alamat MAC untuk alamat IP yang diberikan.

i was looking for the same problem and stumbled upon the following code.

How to get Client MAC address(Web):

To get the client MAC address only way we can rely on JavaScript and Active X control of Microsoft.It is only work in IE if Active X enable for IE. As the ActiveXObject is not available with the Firefox, its not working with the firefox and is working fine in IE.

This script is for IE only:

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();

<div id='box'></div>