On Sep 22, 2009, at 10:17 PM, Garrett Smith wrote: > > If there is no "onfocusin" property, and the event can only be > registered by addEventListener, then it would not break sites. That's not completely certain. Many Web pages use a function that abstracts the difference between addEventListener and attachEvent, so it's possible that there are existing Web pages which add a "focusin" handler with addEventListener in non-IE browsers, but behave properly because it is never dispatched. I don't know whether such pages actually exist, but I would not be so quick to rule it out. Regards, MaciejReceived on Wednesday, 23 September 2009 08:44:25 UTC
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