js random shuffle code example

Example 1: js shuffle array

yourArray.sort(function() { return 0.5 - Math.random() });

Example 2: 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"]

Example 3: 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
}