Como classificar aleatoriamente um JavaScript de matriz
array.sort(() => Math.random() - 0.5);
Real Rocket Raccoon
array.sort(() => Math.random() - 0.5);yourArray.sort(function() { return 0.5 - Math.random() });const shuffleArray = (arr) => arr.sort(() => 0.5 - Math.random());
console.log(shuffleArray([1, 2, 3, 4]));
// Result: [ 1, 4, 3, 2 ]
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"]
// O(n)
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}/**
* 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);