Ensuring numeric input

Alex Tweedly alex at tweedly.net
Thu Oct 27 05:19:11 CDT 2005

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
isNumber("-1")    true
isNumber("-")      false

Alex Tweedly       http://www.tweedly.net

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