this post was submitted on 05 May 2025
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parseInt(5) (lemmy.ml)
submitted 23 hours ago by OsrsNeedsF2P@lemmy.ml to c/programmer_humor@programming.dev
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[–] barsoap@lemm.ee 14 points 14 hours ago* (last edited 14 hours ago)

https://en.wikipedia.org/wiki/Principle_of_least_astonishment

...and of course JS made it into the examples, how could it not:

A programming language's standard library usually provides a function similar to the pseudocode ParseInteger(string, radix), which creates a machine-readable integer from a string of human-readable digits. The radix conventionally defaults to 10, meaning the string is interpreted as decimal (base 10). This function usually supports other bases, like binary (base 2) and octal (base 8), but only when they are specified explicitly. In a departure from this convention, JavaScript originally defaulted to base 8 for strings beginning with "0", causing developer confusion and software bugs. This was discouraged in ECMAScript 3 and dropped in ECMAScript 5.