function getRandomInt(min, max) { return Math.floor(Math.random() * (max - min + 1) + min) }function shuffle(arr, target) {let _arr = arr.slice()for (let i = 0; i < _arr.length; i++) {if (i !== target) {let j = getRandomInt(0, i);if (j !== target)[_arr[i], _arr[j]] = [_arr[j], _arr[i]]}}return _arr}