Random array

(list => {

    const

        rand = max => Math.floor(Math.random() * (max + 1) ),

        shuffle = __list__ => {

            let index = __list__.length - 1;

            for (; index > 0; index--) {

                let randIndex = rand(index);

                [ __list__[index], __list__[randIndex] ] = [ __list__[randIndex], __list__[index] ];

            }

            return __list__;

        };

    log(
        shuffle(list)
    );

})([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);