If you ever need a quick sanity check for loops and conditionals, this fizzbuzz write-up is the clean little refresher I’d point people to.
FizzBuzz is a decent loop/conditional check, but I always like it more when people treat it as an “order of conditions” trap: you have to test n % 15 === 0 before n % 3 or n % 5, or you silently get the wrong output. Do you ever use a slightly meaner variant in interviews, like parameterizing the ranges/divisors so it’s not just muscle memory?