17 lines
435 B
JavaScript
17 lines
435 B
JavaScript
function shuffle(array) {
|
|
let currentIndex = array.length, randomIndex;
|
|
|
|
// While there remain elements to shuffle...
|
|
while (currentIndex != 0) {
|
|
|
|
// Pick a remaining element...
|
|
randomIndex = Math.floor(Math.random() * currentIndex);
|
|
currentIndex--;
|
|
|
|
// And swap it with the current element.
|
|
[array[currentIndex], array[randomIndex]] = [
|
|
array[randomIndex], array[currentIndex]];
|
|
}
|
|
|
|
return array;
|
|
} |