I've tested on Safari 2.0:
setting $('div').style.opacity = null; makes the div visible.
Reading out the opacity afterwards returns an empty string.
setting $('div').style.opacity = 0; makes the div invisible. Reading
out the opacity returns 0.
So no conversion to zero here.
Lorenz
On 22.08.2006, at 20:13, Brandon Aaron wrote:
>
> null for Safari will not work. Safari converts null to 0.
>
> Brandon
>
> On 8/22/06, Lorenz Knies <[EMAIL PROTECTED]> wrote:
>>
>> I think that IE just responds to the second line setting the
>> filter:alpha() stuff. So in IE it should be rather unimportant if you
>> set opacity to 1 or 0.9999999999
>> This line seems to be for Mozilla.
>>
>> But since Opera 9 this line is not correct anymore, since Opera
>> unlike other browsers, does not change the opacity value if set to
>> null.
>> So this line should set the value to 0.999999 for Mozilla, null for
>> Safari and 1 fo Opera. 1 would be o.k. for Safari also, in my
>> opinion.
>>
>> Lorenz
>>
>> On 22.08.2006, at 15:15, Brandon Aaron wrote:
>>
>>>
>>>> I take back what I said about IE needing a value of 1.
>>>
>>> That should say... I take back what I said about IE needing a
>>> value of
>>> .99999 instead of 1.
>>>
>>> Brandon
>>>
>>> On 8/22/06, Brandon Aaron <[EMAIL PROTECTED]> wrote:
>>>> I take back what I said about IE needing a value of 1. I get the
>>>> white
>>>> spots/pixels in what seems to be only pure black areas no matter
>>>> what
>>>> value I use.
>>>>
>>>> On 8/22/06, Brandon Aaron <[EMAIL PROTECTED]> wrote:
>>>>> It doesn't just do it on floated elements though. My element is
>>>>> positioned absolute. I haven't had the time to produce some unit
>>>>> tests. However, I have figured out that you do not want to set the
>>>>> opacity to .99999 instead of 1 for IE or you will get white
>>>>> spots in
>>>>> images with pure black. Mozilla/Firefox is the only one that needs
>>>>> .99999 instead of 1. All the other browsers need a non null value.
>>>>>
>>>>> Brandon
>>>>>
>>>>> On 8/22/06, Lorenz Knies <[EMAIL PROTECTED]> wrote:
>>>>>>
>>>>>> It seems to be a rendering bug in Safari related to the
>>>>>> float:left
>>>>>> style.
>>>>>> Try Effect.Appear in the script.aculo.us demo. The DIV appears
>>>>>> correctly, then 'disappears'. Now just do a tiny resize on the
>>>>>> window
>>>>>> and the DIV is there again.
>>>>>> I would say this is a bug.
>>>>>>
>>>>>> Lorenz
>>>>>>
>>>>>> On 18.08.2006, at 15:08, Brandon Aaron wrote:
>>>>>>
>>>>>>> Sure I'll create some unit tests.
>>>>>>>
>>>>>>> Brandon
>>>>>>>
>>>>>>> On 8/18/06, Thomas Fuchs <[EMAIL PROTECTED]> wrote:
>>>>>>>> I think we should make a test case page for this, that has all
>>>>>>>> sorts
>>>>>>>> of opacity enabled/disabled elements
>>>>>>>> and see if everything works fine. Any volunteers? :)
>>>>>>>>
>>>>>>>> -Thomas
>>>>>>>>
>>>>>>>> Am 18.08.2006 um 09:42 schrieb Lorenz Knies:
>>>>>>>>
>>>>>>>>> Hi Brandon,
>>>>>>>>>
>>>>>>>>> I,ve had the same issue with opera.
>>>>>>>>> I changed the line like this without any problems so far:
>>>>>>>>>
>>>>>>>>> Element.setStyle(element, { opacity:
>>>>>>>>> (/Gecko/.test(navigator.userAgent) &&
>>>>>>>>> !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
>>>>>>>>> 0.999999 : null });
>>>>>>>>>
>>>>>>>>> to
>>>>>>>>>
>>>>>>>>> Element.setStyle(element, { opacity:
>>>>>>>>> (/Gecko/.test(navigator.userAgent) &&
>>>>>>>>> !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
>>>>>>>>> 0.999999 : 1 });
>>>>>>>>>
>>>>>>>>> Perhaps this works for Safari too.
>>>>>>>>>
>>>>>>>>> Lorenz
>>>>>>>>>
>>>>>>>>> On 16.08.2006, at 15:40, Brandon Aaron wrote:
>>>>>>>>>
>>>>>>>>>> I've been putting this off for several days now, waiting to
>>>>>>>>>> check
>>>>>>>>>> dev.rubyonrails.org before I posted here but it is still
>>>>>>>>>> down.
>>>>>>>>>>
>>>>>>>>>> I am using Effect.Appear and it is working great except in
>>>>>>>>>> Safari
>>>>>>>>>> where it fades in and then disappears. I traced it back to
>>>>>>>>>> the
>>>>>>>>>> Element.setOpacity function. Is there a reason why Safari is
>>>>>>>> singled
>>>>>>>>>> out and given a null value for opacity instead of 1 or
>>>>>>>> 0.999999? This
>>>>>>>>>> is where the problem is happening and can be seen directly
>>>>>>>>>> from
>>>>>>>> the
>>>>>>>>>> demo page itself
>>>>>>>>>> (http://wiki.script.aculo.us/scriptaculous/show/
>>>>>>>>>> CombinationEffectsDemo).
>>>>>>>>>> I simply changed this line:
>>>>>>>>>>
>>>>>>>>>> Element.setStyle(element, { opacity:
>>>>>>>>>> (/Gecko/.test(navigator.userAgent) &&
>>>>>>>>>> !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ?
>>>>>>>>>> 0.999999 : null });
>>>>>>>>>>
>>>>>>>>>> to this:
>>>>>>>>>>
>>>>>>>>>> Element.setStyle(element, { opacity: 0.999999 });
>>>>>>>>>>
>>>>>>>>>> And this working perfectly for me in Safari 2 and 1.3 and it
>>>>>>>> didn't
>>>>>>>>>> hurt any of the other supported browsers. I don't have 1.2 to
>>>>>>>> test it
>>>>>>>>>> in.
>>>>>>>>>>
>>>>>>>>>> However, I believe that Element.setStyle should have the
>>>>>>>>>> responsiblity
>>>>>>>>>> of normalizing special cases like opacity. More details here:
>>>>>>>>>> http://www.brandonaaron.net/articles/2006/08/12/effect-
>>>>>>>>>> appear-
>>>>>>>>>> safari-fix
>>>>>>>>>>
>>>>>>>>>> Brandon
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Rails-spinoffs mailing list
>>>>>>>>>> [email protected]
>>>>>>>>>> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Rails-spinoffs mailing list
>>>>>>>>> [email protected]
>>>>>>>>> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
>>>>>>>>
>>>>>>>> --
>>>>>>>> Thomas Fuchs
>>>>>>>> wollzelle
>>>>>>>>
>>>>>>>> http://www.wollzelle.com
>>>>>>>>
>>>>>>>> questentier on AIM
>>>>>>>> madrobby on irc.freenode.net
>>>>>>>>
>>>>>>>> http://www.fluxiom.com :: online digital asset management
>>>>>>>> http://script.aculo.us :: Web 2.0 JavaScript
>>>>>>>> http://mir.aculo.us :: Where no web developer has gone before
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Rails-spinoffs mailing list
>>>>>>>> [email protected]
>>>>>>>> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Rails-spinoffs mailing list
>>>>>>> [email protected]
>>>>>>> http://lists.rubyonrails.org/mailman/listinfo/rails-spinoffs
>>>>>>
>>>>>>
>>>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>>
>>
>>
>>>
>>
>
> >
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