5-4 编程练习代码提交

来源：5-4 编程练习

MiMicccc

2021-08-28 19:56:13

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

<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>

<body>
    <script type="text/javascript">
        // 补充代码
        // 1.
        function arr1(...nums) {
            let sum = 0;
            let len = nums.length;
            for (let a of nums) {
                sum += a;
            }
            return sum / len;
        }
        console.log(arr1(1, 2, 6));

        // 2.
        function arr2(...nums) {
            let len = nums.length;
            sum = nums.reduce(function (a, b) {
                return a + b;
            }, 0)
            return sum / len;
        }
        console.log(arr2(1, 2, 6));
    </script>
</body>

</html>