javascript shuffle array

1array.sort(() => Math.random() - 0.5);

1yourArray.sort(function() { return 0.5 - Math.random() });

1const shuffleArray = (arr) => arr.sort(() => 0.5 - Math.random());
2
3console.log(shuffleArray([1, 2, 3, 4]));
4// Result: [ 1, 4, 3, 2 ]
5

1/**
2 * Shuffles array in place.
3 * @param {Array} a items An array containing the items.
4 */
5function shuffle(a) {
6    var j, x, i;
7    for (i = a.length - 1; i > 0; i--) {
8        j = round(random() * (i + 1));
9        x = a[i];
10        a[i] = a[j];
11        a[j] = x;
12    }
13    return a;
14}
15
16shuffle(array);

1function randomArrayShuffle(array) {
2  var currentIndex = array.length, temporaryValue, randomIndex;
3  while (0 !== currentIndex) {
4    randomIndex = Math.floor(Math.random() * currentIndex);
5    currentIndex -= 1;
6    temporaryValue = array[currentIndex];
7    array[currentIndex] = array[randomIndex];
8    array[randomIndex] = temporaryValue;
9  }
10  return array;
11}
12var alphabet=["a","b","c","d","e"];
13randomArrayShuffle(alphabet); 
14//alphabet is now shuffled randomly = ["d", "c", "b", "e", "a"]
15
16
17

1function shuffle(array){
2    let new_arr  = [] ;     
3     while (new_arr.length < array.length ){
4    let random_item = array[Math.floor(Math.random()*(array.length))]; 
5     if(!new_arr.includes(random_item)){new_arr.push(random_item)}
6    }
7return new_arr
8}