The jQuery team freely admits that they optimize for IE more so than the other browsers. So it's distinctly possible that this is true.
-----Original Message----- From: jquery-en@googlegroups.com [mailto:jquery...@googlegroups.com] On Behalf Of Sam H Sent: Wednesday, February 04, 2009 11:28 AM To: jQuery (English) Subject: [jQuery] slideUp/Down jumpy in Firefox 3 but not in IE7? I don't remember if it was like this in jQuery 1.2, but I have 1.3.1 and I can clearly see that slideDown/Up is much smoother in IE7 than in Firefox 3. Is it just me?