Files
30-seconds-of-code/test/shuffle/shuffle.js
2018-01-17 13:40:40 -05:00

9 lines
186 B
JavaScript

const shuffle = ([...arr]) => {
let m = arr.length;
while (m) {
const i = Math.floor(Math.random() * m--);
[arr[m], arr[i]] = [arr[i], arr[m]];
}
return arr;
};
module.exports = shuffle