NPM – "is-even", 160k weekly downloads

Re:NPM – "is-even", 160k weekly downloads by jazzyjackson on Tuesday November 16, 2021 @11:44AM (#29242713)

this library uses the global isFinite, which actually you could just use instead of the whole function, since it does the string coercion and infinity check for you.

Check out the compatibility table on MDN, Chrome Firefox and Safari version 1 all support it, so I'm pretty sure isNaN and isFinite were in the original spec.

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Re:NPM – "is-even", 160k weekly downloads by Ajedi32 on Tuesday November 16, 2021 @11:51AM (#29242815)

See the MDN section on "confusing special case behavior"[1] for why they probably didn't want to use the global version of isNaN. Number.isNaN handles those cases better but is not as widely supported.

[1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

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Re:NPM – "is-even", 160k weekly downloads by jazzyjackson on Tuesday November 16, 2021 @12:07PM (#29243107)

Thanks for this, I had forgot that empty strings get coerced to 0... interesting choice.

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