What does this line really intended for?

relativeTo = arguments.callee(relativeTo);

I have removed this line and that error was gone...

- Amit

On Dec 12, 8:08 pm, "Per Cederberg" <[email protected]> wrote:
> Hi,
>
> I ran across a weird bug in MochiKit.Style.getElementPosition causing
> FF to throw evil C++ exceptions into the console:
>
>    http://trac.mochikit.com/ticket/332
>
> Debugging the MochiKit code I ended up looking at the following piece
> of black magic:
>
>     getElementPosition: function (elem, /* optional */relativeTo) {
>         var self = MochiKit.Style;
>         var dom = MochiKit.DOM;
>         elem = dom.getElement(elem);
>
>         if (!elem ||
>             (!(elem.x && elem.y) &&
>             (!elem.parentNode === null ||
>             self.getStyle(elem, 'display') == 'none'))) {
>             return undefined;
>         }
>
> Question: What does the if-statement really do? And what was the real 
> intention?
>
> It seems the getStyle() function is called even though I send in a {
> x: 0, y: 0 } object. I guess that is not the real intention.
> Especially I like the "!elem.parentNode === null" check. What does
> that even mean??? Weird that the previous test cases haven't caught
> anything here...
>
> Cheers,
>
> /Per
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