代码

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        function jieXi(url) {
            var obj = {};
            var urls = url.split('?');
            // console.log(urls[1]);
            var arr = urls[1].split('&');
            // console.log(arr);
            for (var i = 0; i < arr.length; i++) {
                // console.log(arr[i]);
                var brr = arr[i].split('=');
                // console.log(brr);
                obj[brr[0]] = brr[1];
            }
            return obj;
        }
        console.log(jieXi('https://nowcoder.com/online?id=1&salas=1000&feyao=100'));
    </script>
</body>

运行结果

20230913参数解析器_i++