Jint.Native.JsDateConstructor.GetMonthImpl C# (CSharp) Method

        public JsInstance GetMonthImpl(JsDictionaryObject target, JsInstance[] parameters)
        {
            if (double.IsNaN(target.ToNumber())) {
                return Global.NaN;
            }

            return Global.NumberClass.New(CreateDateTime(target.ToNumber()).ToLocalTime().Month - 1);
        }