PHP
·
发表于 5年以前
·
阅读量：8290
function shuffle(arr) {
let array = arr;
let index = array.length;
while (index) {
index -= 1;
let randomInedx = Math.floor(Math.random() * index);
let middleware = array[index];
array[index] = array[randomInedx];
array[randomInedx] = middleware;
}
return array;
}