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List:       mozilla-layout
Subject:    Re: NGLayout and JavaScript Lag
From:       vidur () netscape ! com (Vidur Apparao)
Date:       1998-09-28 18:09:37
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As Kipp mentioned, the image contructor doesn't quite preload images yet - it's
on my list. Turns out that in the current build, setting an image's source
through JavaScript is broken as well. I'll get on that one ASAP.

--Vidur

Daniel Wittmer wrote:

> While viewing http://www.verticalskate.ch/ with the Sept. 20th 1998
> build of NGLayout (I know it's not the latest but I'm not ready to fork
> over lots of money for Visual C++) I noticed serious lag in NGLayout's
> hanlding of JavaScript events. Specifically when doing image swaps with
> the onmouseover and onmouseout event handlers. It would seem that the
> transition should be fluent due to the fact that all images get
> preloaded with the document, but the swapping of the images was so slow
> that for roughly one second NGLayout displayed neither image and just an
> empty rectangle correspoding to where the image should have been.
>
> Daniel

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