-US/docs/Web/JavaScript/Data_structures#String_type" class="type">&#x3C;string></a></li>
<li><code>multicastInterface</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type">&#x3C;string></a></li>
</ul>
<p>Tells the kernel to join a source-specific multicast channel at the given
<code>sourceAddress</code> and <code>groupAddress</code>, using the <code>multicastInterface</code> with the
<code>IP_ADD_SOURCE_MEMBERSHIP</code> socket option. If the <code