every-x-visitor

var testRandom = function(times, every) {
    var i = 0;
    var number = 0;
    while(times > i) {
        if (Math.floor(Math.random() * every) === (every - 1)) {
            number++;
        }
        i++;
    }
    
    console.log("Picked: ", number, "Ran: ", i);
};