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What the fuck javascript
(lemmy.nz)
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this post was submitted on 14 Nov 2026
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No, it should not be an error. If you're making a calculator and your user enters 1/0, your program should not have the propensity to crash; the result should simply be NaN and you should choose how you display that result to your user.
error ≠ crash
fault v. error v. failure
In common language they can be synonyms, but often aren't in places (like computing) where there's a useful difference. A page fault isn't an error; a handled error doesn't result in a failure; fault-tolerant systems fail less often than their components fault.
You talk like error handling isn't a thing.
fun fact: getting NaN from a numeric calculation is the error that you handle. if this wasn't obvious, please don't write code for anyone but yourself. hope this helps.
If this wasn't obvious, be glad of the chance to learn.
If we all stopped as soon as something simple wasn't obvious, nobody would learn and nobody would do anything.
What a terrible reply to someone. It cuts off curiosity and says "You are too stupid to do anything."
Yet I bet there was a time that even with that very specific thing, you didn't think of it that way.
NaNis a primitive value, not anError.newcomers to shitting on javascript sometimes learn to blame the tool