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

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

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 shuffleArray(array) {
2    for (let i = array.length - 1; i > 0; i--) {
3        const j = Math.floor(Math.random() * (i + 1));
4        [array[i], array[j]] = [array[j], array[i]];
5    }
6}

1function shuffle(array) {
2  let currentIndex = array.length,  randomIndex;
3
4  // While there remain elements to shuffle...
5  while (currentIndex != 0) {
6
7    // Pick a remaining element...
8    randomIndex = Math.floor(Math.random() * currentIndex);
9    currentIndex--;
10
11    // And swap it with the current element.
12    [array[currentIndex], array[randomIndex]] = [
13      array[randomIndex], array[currentIndex]];
14  }
15
16  return array;
17}
18
19// Used like so
20var arr = [2, 11, 37, 42];
21shuffle(arr);
22console.log(arr);