johnjbarton wrote:
 > Hi Don.
 >
 > Based on your description I'd say Break On Next worked perfectly. Only
 > the next JS was so fast you never saw the throbber start.

OK, thanks; not a big deal at this point.  I just wanted to get a feel 
for it.

 > Assuming that this is true, then the problem is that you really did
 > not mean "break on next", In complex app, esp built on a library we
 > don't understand, we want Break On Next to mean "break on the next
 > thing that interests me".
 >
 > Any idea (short of mind reading) on how to allow users to indicate
 > what kinds of things they want to break on are welcome.

I can see this will be a problem with an app built on something as large 
and complex as ExtJs.  There's a lot of stuff going on "under the hood" 
that I wouldn't want to have to deal with.  The only thought that occurs 
to me at the moment is this:

Typically, for a web app, the "infrastructure" (e.g. ExtJs) will get 
loaded once via one or more script tags.  Some of my own code will be 
loaded the same way, other parts will be dynamically loaded via evals of 
code blocks sent in XHR responses.  If I really wanted the "break on 
next" capability, I'd be willing to somehow "flag" my own code blocks 
(maybe extra attributes on script tags and parameters on XHR requests?). 
  Then Firebug would know to only break on entry to a flagged block.

FWIW,
-- 
Don Dwiggins
Advanced Publishing Technology


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