[Greasemonkey] userjs.org

[Aaron Boodman]

Ah... everything old is new again.

On 5/11/05, Arve Bersvendsen <arve.bersvendsen at gmail.com> wrote:
> On Thu, 12 May 2005 00:06:51 +0200, <pilgrim at gmail.com> wrote:
> 
> > On 5/10/05, Jeremy Dunck <jdunck at gmail.com> wrote:
> >> http://virtuelvis.com/archives/2005/04/userjs-org
> >
> > "User JavaScripts should ideally be written specifically for Opera"
> >
> > What an ass.
> 
> Well, thank you for your kind words. Now allow me to elaborate, and clear
> one thing up:
> 
> There are features in Greasemonkey/Firefox that Opera doesn't handle
> terribly well:
> 
> * DOM 2 Style
> * XPath
> * Mozilla proprietary CSS extensions
> * XMLHTTPRequest. While this is supported by Opera, it is disabled in User
> JavaScript.
> 
> On the other hand, Opera has a feature set that gives entirely different
> possibilites:
> 
> * Magic variables and functions
> * The window.opera.addEventListener:
> ** BeforeScript: Detects that a script included on a page is about to be
> interpreted.
> ** BeforeExternalScript: Detects that an external script is about to load.
> ** BeforeEvent: Can detect that an event is about to be triggered.
> BeforeEvent.load, would for instance detect that a load event is about to
> fire
> ** BeforeEventListener: Detects that an event listener is about to be
> triggered. Example: BeforeEventListener.mousemove
> ** AfterEvent: The 'AfterEvent' event allows a User JavaScript to check if
> a script on the page has cancelled an action.
> ** There is also BeforeJavascriptURL and AfterJavascriptURL
> 
> So, before you decide to quote me out of context and deliberately
> misunderstand understand that the two different models of Greasemonkey and
> Opera User Javascript promote two slightly different coding styles, and
> they also promote slightly different applications.
> 
> For the record, if scripts on userjs.org are known to be
> Greasemonkey-compatible, they will be marked as such. Interoperability is
> good, and also in our common interest.
> --
> Arve Bersvendsen | http://userjs.org/ | http://virtuelvis.com/
> _______________________________________________
> Greasemonkey mailing list
> Greasemonkey at mozdev.org
> http://mozdev.org/mailman/listinfo/greasemonkey
>