javascript shuffle arrray

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"]

shuffle 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 = Math.floor(Math.random() * (i + 1));
        x = a[i];
        a[i] = a[j];
        a[j] = x;
    }
    return a;
}


/**
 * Shuffles array in place. ES6 version
 * @param {Array} a items An array containing the items.
 */
function shuffle(a) {
    for (let i = a.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [a[i], a[j]] = [a[j], a[i]];
    }
    return a;
}

var myArray = ['1','2','3','4','5','6','7','8','9'];
shuffle(myArray);

Posted by: Guest on April-16-2020

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