How to save binary file on client in jquery .post

I have handler with this code:

    HttpRequest request = context.Request;
    HttpResponse response = context.Response;

    if (request["Type"] != null)
    {
        try
        {
            string resultFile = null;
            string fileName = string.Empty;

            int type = Convert.ToInt32(request["Type"]);

            switch (type)
            {
                case 1:
                    fileName = "InnerQuery.doc";
                    resultFile = GenerateInnerQuery(Id);
                    break;

                case 2:
                    fileName = "CourierQuery.doc";
                    resultFile = GenerateCourierQuery(Id);
                    break;

                case 3:
                    fileName = "TransportDogovor.doc";
                    resultFile = GenerateTransportDogovor(Id);
                    break;

                case 4:
                    fileName = "TransportQuery.doc";
                    resultFile = GenerateTransportQuery(Id);
                    break;

                case 5:
                    fileName = "PassQuery.doc";
                    resultFile = GeneratePassQuery(Id);
                    break;
            }

            if (resultFile != null)
            {
                response.Clear();
                response.AddHeader("pragma", "no-cache");
                response.AddHeader("cache-control", "private");
                response.CacheControl = "no-cache";
                response.ContentType = "application/octet-stream";
                response.AddHeader("Content-Disposition", string.Format("attachment; filename={0}",
                    System.Web.HttpUtility.UrlPathEncode(fileName)));
                response.OutputStream.Write(File.ReadAllBytes(resultFile), 0, (int)(new FileInfo(resultFile)).Length);
                response.End();
            }
        }
        catch (Exception ex)
        { }
    }

On client i post data to handler with jQuery.post():

var handler = "GetWord.ashx?Type=6";
    var initiationDateFrom = $  ("#<%=InitiationDateFromTxt.ClientID%>").val();
    var initiationDateTill = $  ("#<%=InitiationDateTillTxt.ClientID%>").val();
    var queryDateFrom = $  ("#<%=QueryDateFromTxt.ClientID%>").val();
    var queryDateTill = $  ("#<%=QueryDateTillTxt.ClientID%>").val();
    var queryNumber = $  ("#<%=NumberTxt.ClientID%>").val();
    var initiator = $  ("#<%=InitiatorTxt.ClientID%>").val();
    var state = $  ("#<%=StateList.ClientID%>").val();
    $  .post(handler,
    {
        InitiationDateFrom: initiationDateFrom,
        InitiationDateTill: initiationDateTill,
        QueryDateFrom: queryDateFrom,
        QueryDateTill: queryDateTill,
        QueryNumber: queryNumber,
        Initiator: initiator,
        State: state
    }, function (data) {
       /*here i should save my file*/
    });

I recieve binary word-file in “data”, but can’t to save it on client.

last time i use:

window.location = handler;

but with jQuery.post it not work.

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