drinking.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8">
</head>

<body>
    <script type="text/javascript">
    //啤酒两块钱一瓶
    //4个瓶盖换一瓶
    //2个空瓶换一瓶
    //一开始有5瓶
    //啤酒
    var beer = 5,
        //瓶子
        bottles = 0,
        //盖子
        caps = 0,
        result = 0;
    //接受参数 酒 >资源
    beers(beer, bottles, caps);

    function beers(beeAr, bottles, caps) {
        result += beer
        console.log(result);
        //转化成资源
        //跳出Í
        if (bottles + beer < 2 && caps + beer < 4) return;
        tempBottles = bottles + beer;
        tempCaps = caps + beer;
        tempBeer = 0;
        //计算酒数量
        endBeer = Math.floor(tempBottles / 2) + Math.floor(tempCaps / 4);
        //计算剩余资源
        endBottles = tempBottles - Math.floor(tempBottles / 2) * 2;
        endCaps = tempCaps - Math.floor(tempCaps / 4) * 4;
        beers(endBeer, endBottles, endCaps)

    }
    </script>
</body>

</html>