Answers for "js shuffle list"

14

js shuffle array

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

javascript shuffle an array

const shuffleArray = (arr) => arr.sort(() => 0.5 - Math.random());

console.log(shuffleArray([1, 2, 3, 4]));
// Result: [ 1, 4, 3, 2 ]
Posted by: Guest on September-28-2021
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
0

shuffle an array of numbers in javascript

let numbers = [5, 458 , 120 , -215 , 228 , 400 , 122205, -85411];
numbers = numbers.sort(function(){ return Math.random() - 0.5});
/* the array numbers will be equal for example to [120, 5, 228, -215, 400, 458, -85411, 122205]  */
Posted by: Guest on November-20-2020
2

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
-1

javascript shuffle array

function shuffle(array){
    let new_arr  = [] ;     
     while (new_arr.length < array.length ){
    let random_item = array[Math.floor(Math.random()*(array.length))]; 
     if(!new_arr.includes(random_item)){new_arr.push(random_item)}
    }
return new_arr
}
Posted by: Guest on May-15-2021

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