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 >
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