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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.lang.javascript
Subject: Re: IE and IEE 754
Date: Wed, 27 Aug 2014 23:59:42 +0100
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"Christoph M. Becker" <cmbecker69@arcor.de> writes:

> Evertjan. wrote:
<snip>
>> If you are a sticker for correctness and these are monitary values,
>> like $ or [euro-sign], use integer cent values in variables, and
>> write decimals with string manupulation.
>
> Are you suggesting that storing $123.45 as 12345 is better than storing
> it as 123.45?  As ECMAScript implementations typically have no integer
> type, there is no difference regarding the precision of further
> calculations.

12345 can be represented exactly in binary floating point (given enough
bits, and we certainly have that) whereas 123.45 can't be.  Whether this
matters (and how much) depends on what calculations you go on to do, but
I would call that a difference in precision from the get go.

-- 
Ben.