Rails spinoffs - Feb 2007 - Prototype 1.5 error on load

We''re using Prototype 1.5.0 and we''re seeing the following
error in
all browsers upon simply including the prototype.js file:

Error: event has no properties

it refers to line 2216.

Upon looking at line 2216 and the surrounding code, I have NO idea why
the error is popping up.  It seems to be pretty consistent no matter
where we go to test it.

Any clues or fixes?


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kopmanis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org a écrit
:
> Upon looking at line 2216 and the surrounding code, I have NO idea why
> the error is popping up.  It seems to be pretty consistent no matter
> where we go to test it.
Hmmm.  Event.stop will trigger this if its event argument is undefined.
 But NOTHING in Prototype calls this method.  So external code calls it.
 Quite likely code you wrote.

My first suggestion is to look at any event handler you wrote
(particularly onload-related ones) and check that the argument they pass
to Event.stop is indeed the event object they got as their first
argument.  Second, verify that NONE of these handlers got bound the
DOM-Level-0 way:

  <someelement onblah="yourHandler">

In this context, MSIE (I don''t know about others) will NOT pass the
event object around.

OTOH, any handler properly bound (using Event.observe, for instance)
will get the proper event object as its first argument.

''HTH

-- 
Christophe Porteneuve a.k.a. TDD
"[They] did not know it was impossible, so they did it." --Mark Twain
Email: tdd-x+CfDp/qHev2eFz/2MeuCQ@public.gmane.org

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