Inline On Tue, Jun 27, 2017, 16:19 Mike Samuel <[email protected]> wrote:
> On Tue, Jun 27, 2017 at 4:13 PM, Isiah Meadows <[email protected]> > wrote: > > For what it's worth, for most practical purposes, `arr.sort((a, b) => b - > > a))` works well enough. (The only thing it doesn't work well with are > NaNs, > > but in practice, those almost never occur.) > > Don't numeric comparison operators typically sort -0 before +0? > In JavaScript, not if I recall correctly. The only places where signed zeroes are relevant is in division. > ((a,b)=>b-a) is also problematic for an array that contains two or > more infinite values with the same sign and one or more finite values > since isNaN(Infinity-Infinity). That NaN from the comparator can be > triggered or not based on details of the sorting algo and the precise > placement on the Infinities. > Infinities have also been similarly rare for me except in isolation. >
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
