LeaVerou/prefixfree — pull request #61 by vincentbernat (2012-04-08 23:15:29+00:00)
Title: IE9: Fallback to XDomainRequest if available.

On IE9, `XMLHttpRequest` does not allow to do a crossdomain
request. An exception is triggered on `open()` in this case. We
intercept this exception and use `XDomainRequest` if available.

This should close #60.