I ran into this when developing with postMessage as well. This Stack Overflow post pointed me in the right direction: http://stackoverflow.com/questions/1316730

I ran into this when developing with postMessage as well. This Stack Overflow post pointed me in the right direction: http://stackoverflow.com/questions/13167302/did-ie10-change-the-definition-of-window-location-port http://stackoverflow.com/questions/13167302/did-ie10-change-...