Answers for "how to randomize array order"

3

how to shuffle an array javascript

/**
 * Shuffles array in place.
 * @param {Array} a items An array containing the items.
 */
function shuffle(a) {
    var j, x, i;
    for (i = a.length - 1; i > 0; i--) {
        j = round(random() * (i + 1));
        x = a[i];
        a[i] = a[j];
        a[j] = x;
    }
    return a;
}

shuffle(array);
Posted by: Guest on September-25-2020
0

randomize an array

let unshuffled = ['hello', 'a', 't', 'q', 1, 2, 3, {cats: true}]

let shuffled = unshuffled
  .map((a) => ({sort: Math.random(), value: a}))
  .sort((a, b) => a.sort - b.sort)
  .map((a) => a.value)
Posted by: Guest on May-22-2021

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