var host = "ws://localhost:8080/test";
var ws = new WebSocket(host,'default-protocol'); // create the web socket
ws.onopen = function () {
   cc.log("connected... ", 'success'); // we are in! :D
};

ws.onmessage = function (evt) {
   cc.log(evt.data, 'response'); // we got some data - show it omg!!
};

ws.onclose = function () {
   // the socket was closed (this could be an error or simply that there is no server)
   cc.log("Socket closed!", 'error'); 
};