Please take a look at https://github.com/tc39/proposal-temporal
On Mon, Mar 4, 2019 at 3:30 PM Mark Davis ☕️ <m...@macchiato.com> wrote: > Sadly, time is not that simple. Most people using calendars consider the > duration between January 15 and March 15 to be exactly 2 months. But such > intervals are a different number of days, hence milliseconds. > > Mark > > > On Mon, Mar 4, 2019 at 11:21 AM Naveen Chawla <naveen.c...@gmail.com> > wrote: > >> I don't like it. Duration is just milliseconds for me. >> >> On Mon, 4 Mar 2019 at 18:47 Alexandre Morgaut < >> alexandre.morg...@gmail.com> wrote: >> >>> Here a proposal to make ECMAScript natively support a Duration Object >>> >>> I talked about it a long time ago (2011) on the WHATWG mailing list in >>> the context of the Timers API: >>> https://lists.w3.org/Archives/Public/public-whatwg-archive/2011Feb/0533.htm >>> >>> l think that such a proposal would better take place in the core of the >>> language and having worked on a framework date time APIs I tried to give >>> this approach a better look. >>> >>> ECMAScript natively support Dates since its very first version >>> It started to support the ISO 8601 string format in edition 5 >>> (15.9.1.15 Date Time String Format ) >>> >>> Durations like Dates can be very tricky, especially with I18n in mind, >>> but the ECMA standard already had to be handled most of the Duration tricky >>> part for the Date Object in EMCA 262 & ECMA 402. >>> >>> Duration, sometimes called TimeInterval, is a common concept supported >>> by most languages or associated standard libs. >>> >>> In very short, Duration object would: >>> - support the ISO syntax in its contructor: new Duration('P6W') // for >>> Period 6 Weeks >>> - allow to handle Date diff operations >>> - allow to be interpreted by setTimeout() & setInterval() >>> >>> Please find below a draft exposing the concept >>> I'd be very happy if someone from TC39 would be interested to champion it >>> https://github.com/AMorgaut/proposal-Duration >>> >>> Regards, >>> >>> Alexandre. >>> _______________________________________________ >>> es-discuss mailing list >>> es-discuss@mozilla.org >>> https://mail.mozilla.org/listinfo/es-discuss >>> >> _______________________________________________ >> es-discuss mailing list >> es-discuss@mozilla.org >> https://mail.mozilla.org/listinfo/es-discuss >> > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss >
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