On Oct 29, 2:37 pm, Greg Hellings <[email protected]> wrote:
> John
>
> On Thu, Oct 29, 2009 at 4:28 PM, John J Barton
>
>
>
> <[email protected]> wrote:
>
> > On Oct 29, 2:22 pm, Greg Hellings <[email protected]> wrote:
> >> John,
>
> >> On Thu, Oct 29, 2009 at 3:59 PM, John J Barton
>
> >> <[email protected]> wrote:
>
> >> > On Oct 29, 10:16 am, Gregory Hellings <[email protected]> wrote:
> >> > > I'm using Firebug to debug some JavaScript files that I've written.
> >> > > However, a number of the scripts are dynamically loaded by my
> >> > > original, static JavaScript files only if the user selects portions of
> >> > > the page which require them.  This is using the jQuery.getScript()
> >> > > method to do the fetch and execute.
>
> >> > To help I'd need to know that this function does under the covers.
>
> >> Without trying to replicate too much of their code and at risk of
> >> showing you the wrong parts, it looks like it boils down to the
> >> following primary lines:
> >> var head = document.getElementsByTagName("head")[0];
> >> var script = document.createElement("script");
> >> script.src = s.url;
> >> script.onload = script.onreadystatechange = function(){
> >>        // Handle memory leak in IE
> >>        script.onload = script.onreadystatechange = null;
> >>        head.removeChild( script );
> >>                         }
> >> head.appendChild(script);
>
> >> Obviously, I greatly simplified that, but it appears to me to be the
> >> main method calls during a call to jQuery.getScript().  In summary, in
> >> case I butchered it too badly, it creates a script tag, appends it to
> >> the header, points its source to the requested script and, on load,
> >> removes it from the header.  The last behavior - removing it from the
> >> header - would seem, to me, to be the reason that I can't find the
> >> script to put breakpoints and traces on.
>
> > If you are using a recent version of Firebug, this removeChild() will
> > not cause a problem. Try Firebug 
> > 1.5xb1,http://getfirebug.com/releases/firebug/1.5X.
> > Let us know.
> > jjb
>
> I was running 1.4.3.  I updated to 1.5xb1.  Now I see the part of the
> script.  My script creates an object which has a handful of methods in
> it, and I can see each of the function definitions and their lines,
> but any breakpoints I set in them are not giving me actual code
> breaks, and I can't see the original code of the object.  

I don't understand "original code of the object".

> The name
> under which I found them is also listed as <current URL>/event rather
> than the address of the script that was loaded at that event, which I
> understand from a technical standpoint, but it makes it tough to
> identify the script in question.

The code you posted should not appear under "/event"; it should appear
under the url of the src= attribute on the script tag. If you create a
test case and post it the the issue list,
http://code.google.com/p/fbug/issues/list, I'll fix it.

>
> It's a step in the right direction over 1.4.3!  Thanks.
>
> --Greg
>
>
>
> >> --Greg
>
> > --
>
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>

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