Check out the various unit-related proposals that have spawned on this list, and note that IIRC the BigInt proposal [1] also notes that as a possible future expansion.
[1]: https://github.com/tc39/proposal-bigint On Thu, Nov 23, 2017, 08:17 Andrey Muzalevsky <[email protected]> wrote: > Idea is simple, also is simple to implement and do not conflicting with > existing standard > > Readability of javascript can be improved in certain cases like: > > - populationSize = 100000000 > - maxMessageSize = 4194304 > - setTimeout(foo, 30000) > - if(timeElapsed > 100) {...} > > This can be changed to following: > > - populationSize = 100M > - maxMessageSize = 4MB > - setTimeout(foo, 30s) > - if(timeElapsed > 0.1s) {...} > > Also it will be great to support floating number, most convinient way to > do this is tract suffix just like a multipler, so > > 1.5MB == 1.5 * 1MB > > Supported suffixes, as I see them: > > - Metric prefixes group > - follow SI Prefixes > <http://www.npl.co.uk/reference/measurement-units/si-prefixes/> > scheme, to decrease entrance level > - allowing to use short and full form > - it is case sensetive (bad, but everyone knows it) > - not sure about μ, it either: > - (my preference) supported as UTF-8 sumbol, always can be replaced > with 'full' form when needed(is it recommended to use?) > - has a replace symbol which can be easily typed > - allowed only in full form > - samples: > - 4M == 4mega == 4 000 000 > - 5n == 5nano == 0.000 000 005 > - 1micro == 0.000 001 > - Bytes prefixes group > - Metric prefixes turned into bytes prefixes by adding either 'B' > to short form, or 'byte[s]' to full form > - Byte suffix is written in upper-case 'B', e.g. 'kB', 'MB', 'GB' > - This is done to remove inconsistency with widely used > bit/byte differentiation, e.g. `kb` and `KB` usually mean different > things > - Samples: > - 1kB = 1kilobyte = 1024 > - 1MB = 1megabyte = 1024*1024 > - Time group, counted in milliseconds > - s, sec = 1000 > - min = 60 * 1000 > - h, hr = 60 * 60 * 1000 > - d, day[s] = 24 * 60 * 60 * 1000 > - w, week[s] = 7 * 24 * 60 * 60 * 1000 > - Also it will be good to allow compound number definitions, samples > - 1h 30min = 1h + 30min > - 1mB 200kB = 1mB + 200kB > > > What do you think? > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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