[Greasemonkey] Turnabout: More Greasemonkey for IE

[chris feldmann]

Damnit. gmail is a little buggy. I wasn't done.

a = getElementByTHIS; 
for (i; i < a.length i++){
if a(i) = (this OR this OR this){
doStuff;
}
}

I feel not qualified to be talking about what I'm talking about, but you get 
the idea, right? xpath translates into a getElementBy and a second trivial 
test.


On 6/1/05, chris feldmann <cfeldmann at gmail.com> wrote:
> 
> And to go back to this, I guess I mean most XPath queries (no all: most) 
> could be translated to a getElementsByTagName or getELementById combined 
> with another conditional, so is the DOM-walk you're talking about here just 
> referring to those first two getElementBy's? Does that really take a long 
> time? You do that then parse against a simple argument: 
> 
> a = getElementByTHIS; 
> for (i; i < a.lenght i++){
> 
> 
> On 6/1/05, Jeremy Dunck <jdunck at gmail.com> wrote:
> > 
> > On 5/31/05, chris feldmann <cfeldmann at gmail.com> wrote:
> > > How about the possiblility of an XPath translation layer? Most XPath
> > > queries I've seen (and written) for greasemonkey are "ACTIVE QUERY, 
> > > document, null, standard format, null." Base functionality could be
> > > replicated with (cringe) regular expressions on the query, am I wrong? 
> > The
> > > ability to plug in greasemonkey scripts without rewrite would be 
> > facilitated 
> > > greatly if minor DOM implementation differences could be accounted for
> > > without having to think about entirely unsupported things in IE such 
> > as
> > > XPath.
> > >
> > 
> > I think most XPath queries could be translated into DOM tree walks, 
> > except that they won't work on MSHTML, due to the cycles Aaron
> > mentioned earlier.
> > 
> > The JS XPath implementation which GreasemonkIE is very slow; I don't
> > have benchmarks, but maybe 100 times slower than FF's built-in XPath. 
> > 
> > I'd be surprised if that implementation isn't using tree walks...
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> > 
> 
>
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