sockjs/sockjs-client — comment on commit e140196b577fce90c2b08ec4f27cab8abd07a79e
File:  line 0
By dvv:

doesn't help in standard mode. traces led to the fact that IE9 in standard mode doesn't even trigger `onreadystatechange` when script is loaded. or, at least, condition `if (/loaded|closed/.test(script.readyState)) {` is never met -- i do see only 'loading' readyState. Please, try to replicate