模拟双色球摇号

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>双色球摇号</title>
    <style>
        .container {
            margin: 0 auto;
        }
        .qiu {
            display: inline-block;
            width: 30px;
            text-align: center;
            line-height: 30px;
            height: 30px;
            border-radius: 50%;
            margin: 5px;
        }
        .qiu:not(:last-child) {
            background: red;
            color: #ffffff;
        }
        .qiu:last-child {
            background: blue;
            color: #ffffff;
        }
    </style>
</head>
<body>
<div id="container">
<!--    <div class="qius">-->
<!--        <div class="qiu"></div>-->
<!--        <div class="qiu"></div>-->
<!--        <div class="qiu"></div>-->
<!--        <div class="qiu"></div>-->
<!--        <div class="qiu"></div>-->
<!--    </div>-->
</div>
<script>
    const container = document.getElementById('container');

    function pro() {
        // 模式33个红球和蓝球，一个一个的抽取
        let qs = [];
        const reds = new Array(33).fill(1).map((_, index) => index+1);
        // 生产6个红球
        while (qs.length < 6) {
            const q = Math.ceil(Math.random() * reds.length) - 1;
            qs.push(reds[q]);
            if (!reds[q]) {
                console.log(q, reds.length);
            }
            // 删除q
            reds.splice(q, 1);
        }
        qs.sort((a, b) => a - b);
        // 生成1个蓝球
        const blues = new Array(16).fill(1).map((_, index) => index+1);
        const q = Math.ceil(Math.random() * blues.length);
        qs.push(q);
        return qs;
    }
    // 生成五注
    for (var i = 0; i < 5; i++) {
        const qius = pro();
        const qiusEle = document.createElement('div');
        qiusEle.setAttribute('class', 'qius');
        for (const qiu of qius) {
            const qiuEle = document.createElement('div');
            qiuEle.setAttribute('class', 'qiu');
            qiuEle.innerText = qiu;
            qiusEle.append(qiuEle);
        }
        container.append(qiusEle);
    }

    // console.log(pro());


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