Answers for "js randomize an array"

11

how to randomly sort an array javascript

array.sort(() => Math.random() - 0.5);
Posted by: Guest on May-29-2021
14

js shuffle array

yourArray.sort(function() { return 0.5 - Math.random() });
Posted by: Guest on April-03-2020
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
-1

random array javascript

const months = ["January", "February", "March", "April", "May", "June", "July"];

const random = Math.floor(Math.random() * months.length);
console.log(random, months[random]);
Posted by: Guest on February-22-2021
0

js shuffle array

function shuffle(array) {
  let currentIndex = array.length,  randomIndex;

  // While there remain elements to shuffle...
  while (currentIndex != 0) {

    // Pick a remaining element...
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex--;

    // And swap it with the current element.
    [array[currentIndex], array[randomIndex]] = [
      array[randomIndex], array[currentIndex]];
  }

  return array;
}

// Used like so
var arr = [2, 11, 37, 42];
shuffle(arr);
console.log(arr);
Posted by: Guest on September-17-2021

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