[Javascript] Positioning in IE

[flavio at economisa.com.br (Flavio Gomes)]

<flaming>
  Correction: Never use document.all inside a <script> tag.
</flaming>

^^

--
Flavio Gomes
flavio@xxxxxxxxxxxxxxxx

Troy III Ajnej wrote:

>
>
> The call: document.all
> is never to be used inside a loop, it will sllow the script from few 
> to hundred and thousand times, depending on how complex the page is 
> (the number of doc objects contained) every time you call  
> document.all it iterates all the objects. Than if you state get 
> element by ID it scrolls again through all the elements containing id, 
> than, it has to compare if one of them yelds true to give the 
> permission to ecxecute, if after this you have given f.i. pixelLeft 
> than it has to do some math to decide where to put the element, but if 
> you instruct posLeft, there is no math it assumes zero at left and 
> simply adds the new value. Try some of variants you know that will 
> move the object from left to right pixel by pixel in some old computer 
> and see for your self.
> I use integer +px string with posLeft or Right/\ Top when increasingly 
> possitioning the object.
> If I recall correctly, when stating pixelLeft, the browser looks up 
> previous state than adds positive or negative value to the existing 
> one. And this means more processing. (but of course, with the P4 2.66 
> or 3.2 GHz you will hardly notice the difference.)