[1] 920734 – support window.orientation and orientationchange event (2015-08-29 21:10:54 +09:00 版) https://bugzilla.mozilla.org/show_bug.cgi?id=920734

[2] Compatibility Standard (2015-08-29 07:50:36 +09:00 版) https://compat.spec.whatwg.org/#handler-window-onfullscreenchange

[3] Issue #7. Add OrientationChangeEvent.type · whatwg/compat@9720cce (2015-09-09 23:04:33 +09:00 版) https://github.com/whatwg/compat/commit/9720cce44be00305dfe35637edb48e9d756b5b5a

[4] Fixes #7. Finish defining the window.orientation API. · whatwg/compat@04271b3 (2015-09-26 11:40:54 +09:00 版) https://github.com/whatwg/compat/commit/04271b3cc3579e701f0d340bb6b50d16dcf489cb