问"return“语句

EN

var rockPaperScissors = function(n) {  
    var rounds = n;
    var results = [];

    var weapons = ['rock', 'paper', 'scissors'];

    var recurse = function(roundsLeft, played) {
        if( roundsLeft === 0) {
            results.push(played);
            return;
        }

        for(var i = 0; i<weapons.length; i++) {
            var current = weapons[i];
            recurse( roundsLeft-1, played.concat(current) );
        }
    };

    recurse(rounds; []);
    return results;
}

return results.push(played);