/**
* ⭐️ shuffle(arr)
* - arr is shuffled in place
* @param arr array to shuffle
*/
export function shuffle(arr) {
var n = arr.length;
for (let i = n - 1; i > 0; i--) {
let j = randomInt(0, i);
[arr[i], arr[j]] = [arr[j], arr[i]];
}
return arr;
}
// ⭐️ array.shuffle()
Array.prototype.shuffle = function () {
return shuffle(this);
};