Hi Mojito,

it seems to be a problem on float and it's accuracy.
If the resulted value must be exactly defined (0.3 and not
0.300000004), then you should do a small calculation to set it to the
correct value :
value = parseInt(value*100,10) / 100


On 1 sep, 22:51, Mojito <tokyot...@gmail.com> wrote:
> I did an Effect.Fade() on an element to opacity 0.3.  Then I check
> that element's opacity with $('element').getOpacity().  It returns 0.3
> in Firefox, but returns 0.300000000004 in IE8.  My application kind of
> depends on a predictable value.  Is this a problem with IE's JS engine
> or is this a known Prototype issue?
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