function shuffle(a) {
        for (let i = a.length; i; i--) {
            let j = Math.floor(Math.random() * i);
            [a[i - 1], a[j]] = [a[j], a[i - 1]];
        }
    }
//So things aren't too easy.
So things aren't too easy.
So things aren ' t too easy .
function shuffle(a) {
        for (let i = a.length; i; i--) {
            let j = Math.floor(Math.random() * i);
            [a[i - 1], a[j]] = [a[j], a[i - 1]];
        }
    }
function shuffle ( a ) { for ( let i = a . length ; i ; i -- ) { let j = Math . floor ( Math . random ( ) * i ) ; [ a [ i - 1 ] , a [ j ] ] = [ a [ j ] , a [ i - 1 ] ] ; } }
So things aren't too easy.
So things aren ' t too easy .