• RagingToad@feddit.nl
    link
    fedilink
    arrow-up
    4
    ·
    1 year ago

    I’m not sure if you really want to know, but:

    greater than, smaller than, will cast the type so it will be 0>0 which is false, ofcourse. 0>=0 is true.

    Now == will first compare types, they are different types so it’s false.

    Also I’m a JavaScript Dev and if I ever see someone I work with use these kind of hacks I’m never working together with them again unless they apologize a lot and wash their dirty typing hands with… acid? :-)

    • hstde@lemmy.fmhy.ml
      link
      fedilink
      arrow-up
      0
      ·
      1 year ago

      Not a JavaScript dev here, but I work with it. Doesn’t “==” do type coercion, though? Isn’t that why “===” exists?

      As far as I know the operators “>=” and “<=” are implemented as the negation of “<” and “>” respectively. Why: because when you are working with sticky ordered sets, like natural numbers, those operators work.

      Thus “0<=0” -> “!(0>0)” -> “!(false)” -> “true”

      Correct me if my thinking is wrong though.