5-8 编程练习代码提交

来源：5-8 编程练习

MiMicccc

2021-08-28 21:09:47

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

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

<body>
    <script type="text/javascript">
        function insert(value) {
            return {
                into: function (array) {
                    return {
                        after: function (afterValue) {
                            array.splice(array.indexOf(afterValue) + 1, 0, value);
                            return array;
                        }
                    };
                }
            };
        }

        console.log(insert(2).into([1, 3]).after(1));

        // 补充代码
        let insert1 = value => {
            return {
                into: array => {
                    return {
                        after: afterValue => {
                            array.splice(array.indexOf(afterValue) + 1, 0, value);
                            return array;
                        }
                    };
                }
            };
        }
        console.log(insert1(2).into([1, 3]).after(1));

    </script>
</body>

</html>