Network Communication API Editor's Draft

Fri, 23 Nov 2007 11:42:56 GMT

To enable Web applications to communicate using TCP this specification introduces the TCPSocket interface and a corresponding optional security model.

var con = null;

try { 
    con = new TCPSocket(", "12345");
} catch (ex) { 
    if ("SECURITY_ERR" == ex.message) { 
        alert("unable to connect");

con.addEventListener("socketdata", function(ev) {
    if ("pong" == {
    else {


The TCPSocket interface enables a TCP connection from the client to the server from which the script was downloaded and executed from. Instances of this object can be made using a constructor on the Window object. W3C

Cool stuff!

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