This is bad in terms of time and performance, because you will have to traverse the array 2 times.

you should update your solution because, it's not valid after some added test cases,

it is called prefix increment

As of January 21, 2025, padStart is experimental. I don't think using it is a good practice. Regarding min/max: a variant with normal conditions (see my solution) would be more readable

Regular expressions

How does this work? Why the gi in the regex? I am just learning regex.

| is technically the bitwise OR operator, while || is the logical OR. The first one works with the binary representation of the values being compared (coerced to numbers), while the second one works directly with the values being compared.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_OR

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_OR

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Wow. This is one of the few low-level katas where thinking of how to make a one-liner is not so easy.

brilliant solution

thanks for including formula name I collect these lol

I honestly prefer doing it this was as with functions as objects they seem too complex

The time complexity of the algorithm in this solution is O(n² log n).

Kata stipulates "an array with exactly 5 strings". Not great for general use, but meets the requirements of the kata.