[Prototype-core] setOpacity error

[Trevan Richins]

I just discovered that if you call setOpacity in IE on an element that 
was just created (and so hasn't been added to the DOM yet), an exception 
will be thrown.  It looks like the currentStyle object on the element is 
not set until after it has been attached to the DOM.  An example script is:

!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN
http://www.w3.org/TR/html4/loose.dtd;
html
head
script type=text/javascript src=prototype.js/script
script type=text/javascript
function test() {
var div = new Element('div');
div.setStyle({
background: 'blue',
opacity: .5
});
div.update('This Worked');
document.body.appendChild(div);
}
/script
/head
body
input type=button onclick=test() value=Click Me! /
/body
/html


I filled a bug #9904 on it.   This affects 1.6rc0 and since there was no 
changes to this part of the code for 1.6rc1, I believe it affects that 
as well.

Trevan

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[Prototype-core] Inheritance changes

[Trevan Richins]

I just saw that there were some more changes with the inheritance code.  
I'm wondering how stable is the code.  Meaning, if I start working on a 
project and use the current inheritance code right now, what probability 
is there that I'll need to rename functions (addMethods) or change 
function calls (such as changing the $super construct)?

Thanks,

Trevan

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[Prototype-core] Opera and prototype

[Trevan Richins]

I was playing around with the testing framework and decided to see if I 
could get it working with Opera and appeared to be successful.  But when 
I ran the tests, opera failed the dom, form, position, and selector 
tests.  Is prototype supposed to support Opera?

Trevan

P.S. I submitted a patch to add opera to the test suites as well as a 
possible fix the problem where you have to close IE before it goes to 
the next test case (http://dev.rubyonrails.org/ticket/7852)

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[Prototype-core] $$() and :nth psuedo-elements

[Trevan Richins]

The new version of $$() is wonderful but doesn't seem to work all that 
well with the :nth psuedo-elements.  It looks to only work correctly 
when in the formula an+b, a and b are positive and b  a.  I 
don't know if anyone has noticed this yet, but I couldn't find a bug id 
so I filled a new one and added a possible fix for it (as well as test 
cases).  The bug is at: http://dev.rubyonrails.org/ticket/7841.

Trevan

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