On Fri, Jul 12, 2013 at 8:58 AM, Luke Hoban <[email protected]> wrote:
> >From: Allen Wirfs-Brock [mailto:[email protected]] > > > >On Jul 11, 2013, at 9:01 PM, Luke Hoban wrote: > > > >> Two questions on new Number APIs: > >> > >> 1) Is it intentional that clz is on Number.prototype instead of Number? > Why? > > > >I think there is a stronger case to me made for Math.clz(number). > Number.prototype and Math both seem like plausible homes for clz. In the > end, I placed it on Number prototype because it is an operation that is > specific to a particular numeric encoding rather than an implementation of > a general mathematical function. > > > > Yeah, I think Math would have been less surprising. I don't feel > strongly, but Number.prototype wasn't what I had expected. > > >> > >> 2) Is it intentional that Number.toInteger(Infinity) returns true? > >Huh? How's that? > > > >Number.toInteger is specified as the single step: > > > > 1 Return ToInteger(number) > > > >and step 4 of the abstract operation ToInteger(number): > > > > 4 If number is +0, -0, +∞, or -∞, return number. > > > > Sorry, I meant 'isInteger'. Per your quoted section, toInteger(Infinity) > is Infinity, so isInteger(Infinity) is true. > And I find that equally bizarre and unpleasant. > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > -- Text by me above is hereby placed in the public domain Cheers, --MarkM
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