Fisher-Yates shuffle in JavaScript

gistfile1.js

var n = 100, 
    data = (function (l, r, i) { for (i = 0; i < l; r.push(i++)); return r;}(n, []));

// http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
function shuffle(arr) {
    var i, n = arr.length, p;
    for (i = n - 1; i > 0; i--) {
        p = Math.floor(Math.random() * i);
        arr.splice(i, 1, arr.splice(p, 1, arr[i]).pop());
    }

    return arr;
}

console.log(shuffle(data));