Answers for "how to pick a random number javascript and if"

javascript random number between 0 and 10

Math.floor(Math.random() * 10);

javascript get random array of integre in given range

const randomArrayInRange = (min, max, n) => Array.from({ length: n }, () => Math.floor(Math.random() * (max - min + 1)) + min);

// Example
randomArrayInRange(1, 100, 10);