sockjs/sockjs-client — comment on commit c9959cd4c2611af22131e4c64cabb8cec398cc84
File: lib/trans-sender.js line 94
By majek:

This is temporary. I don't really want to ship code wit 'alerts' inside. But, for some weird reason, I get this exception on one of the installations of IE and I need to double check if that really happens on different VM's. Maybe only my local IE installation is broken?