find-the-middle-element.js

// kata - https://www.codewars.com/kata/545a4c5a61aa4c6916000755

const gimme = (triplet) => {
  const mid = [...triplet].sort((a, b) => a - b)[1];
  return triplet.findIndex((x) => x === mid);
};

console.log(gimme([2, 3, 1], 0));
console.log(gimme([5, 10, 14], 1));
console.log(gimme([2.1, 3.2, 1.4], 0));
console.log(gimme([5.9, 10.4, 14.2], 1));
console.log(gimme([-2, -3, -1], 0));
console.log(gimme([-5, -10, -14], 1));
console.log(gimme([-2, -3.2, 1], 0));
console.log(gimme([-5.2, -10.6, 14], 0));