There is now a RC version of jQuery v1.5 - here
That should fix your problems with jQuery on IE9 RC. Full version of jQuery 1.5.1 is due to be released very soon.
I am calling a function like the one below by click on divs with a certain class.
Is there a way I can check when starting the function if a user is using Internet Explorer and abort / cancel it if …
On IE I can do this with the (terribly non-standard, but working) jQuery
if ($.browser.msie)
$(document).keydown(function(e) { if (e.keyCode == 8) window.event.keyCode = 0;});
But is it possible to do in a way which works on Firefox, or …