Opera also has attachEvent, so no. --John
On Tue, Jan 13, 2009 at 1:06 PM, 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 Flesler > http://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 -~----------~----~----~----~------~----~------~--~---
