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Agreed. OP was doing well until they replaced the if statements with ‚function call || throw error’. That’s still an if statement, but obfuscated.
Don't mind the
||
but I do agree if you're validating an input you'd best find all issues at once instead of "first rule wins".Short circuiting conditions is important. Mainly for things such as:
Without short circuit evaluation you end up with a null pointer exception.