const array = [3, 14, 4, 1, 5, 90, 2, 6, 89, 3, 7];
const min = array.reduce((a, b) => Math.min(a, b));
const max = array.reduce((a, b) => Math.max(a, b));
console.log(`Minimum: ${min}`);
console.log(`Maximum: ${max}`);
/*
run:
Minimum: 1
Maximum: 90
*/