Having been on this list for two months now and not seeing anything
mentioned abou JavaScript perfomance yet I thought I'd bring it up.
I'm running IEv5.1b1 on a 400mhz Ti w/ 256 mb of ram and in testing some of
the dhtml sites I've worked on I found that the browser either has pretty
bad rendering problems, or it crashes.
I'll give you a few examples of projects I've had my hands in...
http://www.laika.org/ : Although the code seems to executing and properies
being assigned properly the redering of the motion of the nav items seems
choppy. It appears that the browser is skipping the drawing of the elements
in certain "frames" of the movement. The layers on the page may take their
first few steps, but then i get the spinning rainbow cursor and things seem
to freeze. When it's don't "thinking" everything to magically gets drawn 3
or 4 steps away from their destination and work normally again. So where did
all those middle steps go? They obviously were run, because each element
ended up in the right place, but the change in the position of the element
were not always drawn.
http://www.neuralust.com/~cac6982/ : This piece shows the same strange
behavior as the above example. The "opening" transition executes properly,
but the middle frames of the transition are not always rendered.
http://www.neuralust.com/~cac6982/20010612/3pts.2.html : This is a crasher -
it seems to run perfectly for the first 3-6 times it draws the elements on
the screen. But if you keep playing with it the browser just unexpectedly
quits.
In all the above cases execution of the javascript seems to be fine. I am
not getting errors that I would not expect to get in IE5.5/PC or IE5/OS9,
its just the performace is sub-par. Even Mozilla (Fizilla port from 6/13) is
doing a better job handling these examples.
And it's not something I see just in stuff I've done, I just have not done a
ton surfing with the browser. I have noticed that the jumpyness that I
mentioned above also rears it's head here -
http://www.seb.cc/experiments/index.html - making the page really, really
difficult to navigate.
Anyone know when we can expect some better perfomance out of IE?
--
name://chris aka://10sball http://placenamhere.com
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