[time to write specs, pass through the whole process, ship it to all engines, have it 100% usable without polyfills]
[value of this proposal] both sentences represents time, -1 here On Mon, Jan 7, 2019 at 8:35 PM Ranando King <[email protected]> wrote: > Either way it goes, there's a lot of ways to do this that are all trivial. > > On Mon, Jan 7, 2019 at 1:31 PM Pier Bover <[email protected]> wrote: > >> If you need to find the length of a filtered array IMO it makes more >> sense and is more obvious to just use filter(). >> >> On Mon, Jan 7, 2019 at 1:12 PM Засим Александр <[email protected]> >> wrote: >> >>> Hi everyone. This is proposal for Array.prototype.count (or countOf) >>> method which allow to count specific elements in an array. >>> >>> ```js >>> >>> const evenNumberCount = [1, 2, 3, 4, 5].count(num => num % 2 === 0); >>> >>> ``` >>> >>> Instead of >>> >>> ```js >>> >>> const evenNumberCount = [1, 2, 3, 4, 5].filter(num => num % 2 === >>> 0).length; >>> >>> ``` >>> _______________________________________________ >>> es-discuss mailing list >>> [email protected] >>> https://mail.mozilla.org/listinfo/es-discuss >>> >> _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss >> > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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