Ariel, if you need to bifurcate in the event system I suggest to test for:
document.createEventObject() in this way you prevent the problem John is telling since Opera never implemented that event method. Diego On 13 Gen, 19:06, Ariel Flesler <afles...@gmail.com> wrote: > Isn't this good enough ? > > IE = !!document.attachEvent; > > > > On Tue, Jan 13, 2009 at 3:00 PM, kangax <kan...@gmail.com> wrote: > > > On Jan 13, 10:17 am, Diego Perini <diego.per...@gmail.com> wrote: > >> Kanagax, > >> agree with you about "using (or not) frames" being irrelevant if the > >> is objective is met. I was talking about reducing a bit the code size > >> were possible, feature testing is more costly in byte size. > > >> Please tell me how a 3d party is going to create problem with those > >> testing I am really interested into improve them if possible. > > >> You see, the "document.fileSize" property in IE is read-only, and it > >> is of a type the user cannot create himself that I know, but would be > >> very interested in how the user could create a variable of type > >> "unknown", especially how to I create an "unknown" variable in FF / > >> Opera / Webkit / Konqueror or mobile web browsers ??? > > > Your snippet didn't test for typeof "unknown", but rather for "!= > > 'undefined'". Sorry if I missed something. If a 3rd party script > > defines `document.fileSize` in non-IE browser, your proposed `IE` > > boolean will have a false positive: > > > // run this in Firefox > > document.fileSize = 1024; > > IE = typeof document.fileSize != 'undefined'; > > IE; // true > > > [...] > > > -- > > kangax > > -- > Ariel Fleslerhttp://flesler.blogspot.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "jQuery Development" group. To post to this group, send email to jquery-dev@googlegroups.com To unsubscribe from this group, send email to jquery-dev+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/jquery-dev?hl=en -~----------~----~----~----~------~----~------~--~---
