driftyco/ionic — pull request #1131 by malixsys (2014-04-14 15:16:42+00:00)
Title: IE9+ doesn't support new CustomEvent()

Add a check for IE9+ to force us to use

document.createEvent("CustomEvent")

as IE9+ does not support

new CustomEvent

See
https://stackoverflow.com/questions/19345392/why-arent-my-parameters-getting-passed-through-to-a-dispatched-event?answertab=active#tab-top