Answers for "javascript randomize array javascript"

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
13

javascript randomly shuffle array

function randomArrayShuffle(array) {
  var currentIndex = array.length, temporaryValue, randomIndex;
  while (0 !== currentIndex) {
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex -= 1;
    temporaryValue = array[currentIndex];
    array[currentIndex] = array[randomIndex];
    array[randomIndex] = temporaryValue;
  }
  return array;
}
var alphabet=["a","b","c","d","e"];
randomArrayShuffle(alphabet); 
//alphabet is now shuffled randomly = ["d", "c", "b", "e", "a"]
Posted by: Guest on July-24-2019

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