using System;

using System.Collections;

using Microsoft.ClearScript;

using Microsoft.ClearScript.V8;

public class Program {

    public static void Main() {

        const string content = @"

            function on_save() {

                Service.AddTableRow([{id: 21194, value: 'jjkk'}, {id: 1234, value: 'Lala'}]);

                Service.AddTableRow2([{id: 12345, value: 'mmnn'}, {id: 6789, value: 'Haha'}]);

                return true;

            }

        ";

        using var engine = new V8ScriptEngine();

        engine.AddHostObject("Service", new ScriptService());

        engine.Execute(content);

        Console.WriteLine(engine.Script.on_save());

    }

}

​

public class ScriptService {

    public void AddTableRow(IList list) {

        foreach (ScriptObject item in list) {

            Console.WriteLine("{0} -> {1}", item["id"], item["value"]);

        }

    }

    public void AddTableRow2(dynamic list) {

        int length = list.length;

        for (var i = 0; i < length; ++i) {

            var item = list[i];

            Console.WriteLine("{0} → {1}", item.id, item.value);

        }

    }

}

​