I've added a ticket for this (minor) bug:
http://dev.jquery.com/ticket/1351 Karl Rudd On 7/3/07, Renato Formato <[EMAIL PROTECTED]> wrote:
Karl Rudd ha scritto: > > Just been going through some of my current work and seeing what > improvements come with jQuery 1.1.3. Unfortunately it looks like > there's a bit of a regression in terms of speed for Firefox (2.0.0.4). > > So far I've only looked at the speed decrease when selecting 'input' > elements, so it may be isolated to them or something general. > > You'll need Firebug on Firefox. Firebug lite is included though. > > Here's a page with using 1.1.2: > > http://krudd.net/jquery113speed/jquery_elementtest_112.html > Result: setup: 781ms > > Here's the same page using 1.1.3: > > http://krudd.net/jquery113speed/jquery_elementtest_113.html > Result: setup: 1937ms > > And for kicks I looked at using "straight" DOM methods to select the > 'inputs' (getElementsByTagName) and 1.1.3: > > http://krudd.net/jquery113speed/jquery_elementtest_113_dom.html > Result: setup: 531ms > > I haven't had time to dig through the 1.1.3 source to see where the > slowdown could be occurring. Anyone have any ideas? > > Under IE there is a similar, though markedly smaller, slow down > between 1.1.2 and 1.1.3. > > Karl Rudd > Most of the time in jQuery 1.1.3 is spent inside the filter function. I've done some tests and it seems that storing the most complex regexs in a var instead of compiling them over and over, makes your code faster in jQuery 1.1.3. Renato
