Because Object.keys was standardized in 2009, 6 years before Set existed. On Fri, Oct 16, 2020 at 6:51 PM #!/JoePea <[email protected]> wrote:
> Sets are faster, even for tiny lists of four items. See the perf tests > (tested in Chrome): > > https://twitter.com/trusktr/status/1315848017535098880 > > https://twitter.com/trusktr/status/1317281652540731392 > > #!/JoePea > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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