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☆ Yσɠƚԋσʂ ☆@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 7 个月前

Which of these javascript expressions is false?

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Which of these javascript expressions is false?

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☆ Yσɠƚԋσʂ ☆@lemmy.ml to Programmer Humor@lemmy.mlEnglish · 7 个月前
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  • davel@lemmy.ml
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    7 个月前

    Definitionally in IEEE floating point, NaN is not equal to anything, including itself. The only real abomination here is B:

    > Math.min()
    Infinity
    > Math.max()
    -Infinity
    > 
    
    • Ephera@lemmy.ml
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      7 个月前

      I mean, B does make some amount of sense, if you realize that it’s supposed to give you the maximum among the parameters (so you’d normally call it as Math.max(5, 3) === 5).

      Well, and you can call that with zero parameters, because you can spread an array into it, which might have zero length. And then given these conditions, and if you don’t want to throw an error, then -Infinity is kind of the least bad remaining option, as it’s likely to generally work with the rest of your logic.

  • lowleveldata@programming.dev
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    7 个月前

    A && B && C && D

  • 🍉🌻reStudy 🚀:neocat_laptop_owo:@infosec.exchange
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    7 个月前

    deleted by creator

  • ThotDragon@lemmy.blahaj.zone
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    7 个月前

    I’m guessing C

    • CapriciousDay@lemmy.ml
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      7 个月前

      deleted by creator

    • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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      7 个月前

      yup

  • salmoura@lemmy.eco.br
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    7 个月前

    It can’t be anything other than B, right?

    • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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      7 个月前

      it’s not B

  • twice_hatch@midwest.social
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    7 个月前

    Moot! Those ALL fail code review!

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