[Javascript] Javascript and FF
Del Wegener
del at delweg.com
Tue Sep 1 20:06:53 CDT 2009
>
> Hello Del,
>
>
>> In the past I assumed that the statement in line 189
>> function process_form(calculator)
>> did declare/define calculator.
>
>
> No, in fact it never did!
>
> That's an internal local function argument/variable.
>
>
>
>> I found the same error and am confused.
>> calculator is the name of the form.
>
>
> So it is a a name/id of a html element you are referring there!
>
> Therefore, you were accessing that element directly by id/name.
>
>
>
>> If that is no longer valid, what is? Where do I find such information?
>
>
> Lots of declarations instructions and values throughout the script
>
> are depending on that element. So, missing that element will cause
>
> a general failure.
>
>
>
> Therefore declaring:
>
> var calculator = document.getElementById('calculator');
>
> (anywhere in your script)
>
> May just bring it all back on gear. Cause there's no other 'true' error
>
> there.
Try:
Understood and appreciated.
Del
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