Required time for a connection to be established (IE8 + SockJS + jsonp-polling)

time.diff

--- sockjs-0.3.4.js	2014-03-26 09:49:46.000000000 +0100
+++ sockjs-0.3.4-m.js	2014-03-26 09:55:07.000000000 +0100
@@ -933,6 +933,8 @@
  * ***** END LICENSE BLOCK *****
  */
 
+var timestamp;
+
 var SockJS = function(url, dep_protocols_whitelist, options) {
     if (this === _window) {
         // makes `new` optional
@@ -1009,6 +1011,7 @@
             clearTimeout(that._transport_tref);
             that._transport_tref = null;
         }
+        console.log(new Date().getTime() - timestamp);
         that.readyState = SockJS.OPEN;
         that.dispatchEvent(new SimpleEvent("open"));
     } else {
@@ -1147,6 +1150,7 @@
             var trans_url = that._base_url + '/' + that._server + '/' + connid;
             that._debug('Opening transport:', protocol, ' url:'+trans_url,
                         ' RTO:'+that._options.rto);
+            timestamp = new Date().getTime();
             that._transport = new SockJS[protocol](that, trans_url,
                                                    that._base_url);
             return true;