console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        let money = minMoney = maxMoney = 0;
        let round = maxRound = 0;

        function game() {
            let res = "";
            let smallEnd = /小{5,}$/;
            let bigEnd = /大{5,}$/;
            
            for(let i=0; i<10000; i++) {
                // 下注
                let betRes = null, betMoney;
                if(smallEnd.test(res)) {
                    betRes = "大";
                }
                if(bigEnd.test(res)) {
                    betRes = "小";
                }
                if(betRes) {
                    round++;
                    betMoney = 100 * Math.pow(2, round-1);
                }

                // 开奖
                res += (Math.random()<0.5? "小" : "大");
                // 有下注，计算盈利
                if(betRes != null) {
                    maxRound = (maxRound > round? maxRound : round);
                    if(res[i] == betRes) {
                        money += betMoney;
                        round = 0;
                    } else {
                        money -= betMoney;
                    }
                    setRange();
                }
            }
            
        }
        function setRange() {
            minMoney = (minMoney < money? minMoney : money);
            maxMoney = (maxMoney > money? maxMoney : money);
        }
        game();
        console.log("最大轮次：" + maxRound);
        console.log("最大赌金：" + 100 * Math.pow(2, maxRound-1));
        console.log("最小盈利：" + minMoney);
        console.log("最大盈利：" + maxMoney);
        console.log("最终盈利：" + money);


    </script>
</body>
</html>