General solution to get the previous value

Newsgroups	comp.lang.javascript
Date	2014-07-15 17:25 -0700
Message-ID	<314cbe9e-975c-4bb1-9e95-b2c90eca3388@googlegroups.com> (permalink)
Subject	General solution to get the previous value
From	jonas.thornvall@gmail.com

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number=29;
basemultip=1;
base=3;

while (basemultip < number)
   {
      prevmultip=basemultip;
      basemultip = basemultip * base;
     
   }
basemultip=prevbase;

What is the solution to have the previous value when you walk out from loop, i think my code look strange and i probably learned how to do this but forgot about it.

Can i do it without buffering the previous value?

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General solution to get the previous value jonas.thornvall@gmail.com - 2014-07-15 17:25 -0700
  Re: General solution to get the previous value jonas.thornvall@gmail.com - 2014-07-15 21:25 -0700
    Re: General solution to get the previous value Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-16 13:06 +0100
  Re: General solution to get the previous value Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-16 07:23 -0700
    Re: General solution to get the previous value jonas.thornvall@gmail.com - 2014-07-16 07:58 -0700
      Re: General solution to get the previous value jonas.thornvall@gmail.com - 2014-07-16 13:35 -0700
    Re: General solution to get the previous value Ben Bacarisse <ben.usenet@bsb.me.uk> - 2014-07-16 17:05 +0100
      Re: General solution to get the previous value jonas.thornvall@gmail.com - 2014-07-16 11:07 -0700
      Re: General solution to get the previous value Scott Sauyet <scott.sauyet@gmail.com> - 2014-07-16 12:13 -0700
      Re: General solution to get the previous value "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-07-16 22:45 +0200

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