JS Shuffle Array
yourArray.sort(function() { return 0.5 - Math.random() });
Slocaly
yourArray.sort(function() { return 0.5 - Math.random() });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"]
const getShuffledArr = arr => {
const newArr = arr.slice()
for (let i = newArr.length - 1; i > 0; i--) {
const rand = Math.floor(Math.random() * (i + 1));
[newArr[i], newArr[rand]] = [newArr[rand], newArr[i]];
}
return newArr
};let unshuffled = ['hello', 'a', 't', 'q', 1, 2, 3, {cats: true}]
let shuffled = unshuffled
.map((a) => ({sort: Math.random(), value: a}))
.sort((a, b) => a.sort - b.sort)
.map((a) => a.value)
let array = [1, 2, 3, 4, 5];
for(let i = array.length - 1; i >= 1; i--) {
let j = Math.floor(Math.random() * (i + 1)); // 0 <= j <= i
let temp = array[j];
array[j] = array[i];
array[i] = temp;
}
console.log(array);