This API is available on Firefox OS for privileged or certified applications only.
Summary
The host property returns the host reachable by the socket.
Syntax
var host = instanceOfTCPSocket.host;
Value
A string representing the host reachable by the socket.
Specification
Not part of any specification yet; however, this API is discussed at W3C as part of the System Applications Working Group under the Raw Sockets proposal.