Ensuring numeric input

[Alex Tweedly]

Ken Ray wrote:

>
>BTW: There was no reason to trap for backspace/delete as there isn't a way
>AFAIK to remove some or part of a number and have the end result *not* be a
>number.
>  
>
isNumber("-1")    true
isNumber("-")      false


-- 
Alex Tweedly       http://www.tweedly.net



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