RE: javascript (lack of) perfomance in v5.1b1

[KENNEDY,SMITH (HP-Boise,ex1)]

hi,

not to sound like a broken record (i have been asking this question for
something like 2 years now), but what about JavaScript scriptability of Java
applets?

smith

/**
    Smith Kennedy
    Macintosh Solutions Group
    Hewlett-Packard Co.
    [EMAIL PROTECTED]
*/

> ----------
> From:         Jimmy Grewal
> Reply To:     Mac Internet Explorer Talk
> Sent:         Monday, July 23, 2001 11:55 AM
> To:   Mac Internet Explorer Talk
> Subject:      RE: javascript (lack of) perfomance in v5.1b1
> 
> You'll see better performance under Mac OS X v10.1 with the final
> version of IE 5.1...especially in the area of DHTML and JavaScript perf.
> 
> -Jimmy
> 
> -----Original Message-----
> From: Chris Casciano [mailto:[EMAIL PROTECTED]] 
> Sent: Saturday, July 21, 2001 8:35 AM
> To: Mac Internet Explorer Talk
> Subject: javascript (lack of) perfomance in v5.1b1
> 
> 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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