给你这个 const obj = { 3: 1, string2: 3, string3: 5, string1: 2 }让你用js数组转对象，只能拿原生写

<!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>
        const obj = { 3: 1, string2: 3, string3: 5, string1: 2 }

        var arr = [];
        var iNow = 0;
        var list = [];

        for (let name in obj) {
            arr.push({})
            var json = arr[iNow]

            json[name] = obj[name]
            iNow++;

            list.push(obj[name])
        }

        console.log(arr, list, 'list008');

        for (let i = 0; i < list.length; i++) {
            for (let j = 0; j < list.length; j++) {
                var tmp;
                var res;
                if (list[i] < list[j]) {
                    tmp = list[i]
                    res = arr[i];

                    list[i] = list[j];
                    arr[i] = arr[j];

                    list[j] = tmp;
                    arr[j] = res
                }
            }
        }
        console.log(arr, 'arr66666');  

        let con = []
        for (var i = 0; i < arr.length; i++) {
            var json = arr[i]
            for (var name in json) {
                for (var j = 0; j < json[name]; j++) {
                    con.push(name)
                }
            }
        }
        console.log(con, 'con99999');

    </script>
</body>

</html>

原文链接：https://blog.csdn.net/weixin_68903201/article/details/126933723