Ruby on Rails

> On Jan 13, 2016, at 7:48 AM, Walter Lee Davis <waltd@wdstudio.com> wrote:
>
>
>> On Jan 13, 2016, at 12:44 AM, David Williams <lists@ruby-forum.com> wrote:
>>
>>>
>>> max_length = parseInt(counter.data('maximum-lenght'));
>>>
>>
>>
>> It's giving me Nan when I wrap the parseInt method around the counter.
>
> Check that your spelling of the attribute is correct, note the typo in the example. Also, if you want to be extra-careful (just had to deal with this yesterday) you can go all belt-and-suspenders on it:
>
> parseInt( 0 + counter.data('maximum-length') )

Sorry, left out one more bit here:

parseInt( 0 + counter.data('maximum-length'), 10 )

The second argument to parseInt forces it to consider the input to be an n-base number, so it won't misinterpret a string 'number' as belonging to a different encoding scheme.

Walter

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