I know this maybe got done to death already, but I didnt see a
definitive answer. I'm not sure if this is one either, but its more food
for thought.
IIRC Prototype's hide() sets style.display to none, and show() sets it
to ''. The empty string then allows any display property in a class to
apply. So if your stylesheet specifies .someElement { display: none; },
$('elm').show() wont actually work.
The reason show() sets display to the empty string instead of 'block'
for example, is that block isn't the right value for lots of elements
(inline elements, table rows etc). So a "better" approach might be to
check the currentStyle/calculatedStyle objects where the *actual*
display property is available (once all the various inheritance has been
resolved at rendertime), and remember before setting to 'none', and
restore that value later, when you call show();
This would likely be slower, and the added complexity would surely trip
someone up somewhere. On the other hand, that's why we have libraries -
to solve these kinds of problems for us - so it might be worth
exploration. I ran into this about this time last year though, so surely
its been explored more since then?
(yet another) Sam
Sam wrote:
>The one and only way to pre-hide stuff with Prototype and therefore
>script.aculo.us is a small sin: use inline style="display: none" on
>your element's HTML.
>--------------------------------------
>I discovered this by trial-and-error myself, but I never took it so far as to
>understand *why* hiding a div with a class doesn't
>work with Effect.Grow.
>
>Anyone know?
>
>Sam
>
>.hide {display:none}
>
><div class=".hide">... Whatever</div>
>
>
>
>
>>
>
>
>
>
>
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