this post was submitted on 28 Jun 2026

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135

How would you like to pay your NaN pounds? (programming.dev)

submitted 4 hours ago* (last edited 4 hours ago) by Avicenna@programming.dev to c/programmer_humor@programming.dev

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A NaN spotted in the wild.

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[–] NotSteve_@lemmy.ca 23 points 4 hours ago (1 children)

THE PRICE TAGS ARE RUNNING JAVASCRIPT!!

[–] Orygin@sh.itjust.works 7 points 1 hour ago* (last edited 1 hour ago) (1 children)

NaN are not exclusive to JavaScript, it's more scary that they're using floating point numbers for monetary value.
If you buy something at -Inf, do they empty the business bank account into yours?

[–] verdare@piefed.blahaj.zone 5 points 1 hour ago

Eh, it’s not a problem if prices are being converted to floating point at some point before being displayed.

What you don’t want to do is store the definitive price as a floating point and perform calculations with it. I don’t see any reason to assume that’s happening here.