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Check is-even and is-odd npm packages. https://www.npmjs.com/package/is-even https://www.npmjs.com/package/is-even

• vel0city 16d ago
  That's still quite a ways away from 500M+ downloads a month, more like ~4M downloads a month. Still a huge number of downloads, don't get me wrong!
  • eterm 16d ago
    You're right, I was reading the stats for "is-number" and mixing them up for "is-even": https://www.npmjs.com/package/is-number https://www.npmjs.com/package/is-number 170M downloads / week. Same author, similar vintage. Arguably a necessary package, but that just further indicates how messed up javascript was.
    • vel0city 16d ago
      So nuts. > Arguably a necessary package Arguably a somewhat important part of a standard library!
      • eterm 16d ago
        A large part of the problems of Javascript are corollaries of lacking of a good standard library, and the relatively long time it took and is still taking to fix that. It wasn't really until ES2015 that a better standard library really started to take shape, and, thanks to IE11, it was a very long time before that didn't need poly-filling. In a sane world, you'd just parse whatever you're after and then check for NaN or null. You can't do that. Pop open your favourite javascript runtime and type: Number.parseInt("123Garbage")