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parseInt(5) (lemmy.ml)

submitted 3 weeks ago by OsrsNeedsF2P@lemmy.ml to c/programmer_humor@programming.dev

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[–] danda@lemmy.zip 102 points 3 weeks ago (2 children)

It's because parseInt is expecting a string, so the decimal gets converted to a string, and 0.0000005.toString() returns 5e-7.

[–] KindaABigDyl@programming.dev 42 points 3 weeks ago (1 children)

Common Dynamic Typing L

[–] AnotherPenguin@programming.dev 5 points 3 weeks ago

More like javascript L, even python would throw a TypeError for this example.

[–] spizzat2@lemm.ee 31 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

And to further expand on that, if you do pass in a ~~sting~~ string, it handles it correctly.

> parseInt('0.0000005')

0

[–] SpaceNoodle@lemmy.world 18 points 3 weeks ago* (last edited 3 weeks ago) (2 children)

What if I pass in a Stewart Copeland?

[–] spizzat2@lemm.ee 8 points 3 weeks ago

😆 I'll be watching you...

[–] xtools@programming.dev 3 points 3 weeks ago

or a Honda civic