Filter the grid data is not working in FF(mozilla) and IE

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Kendo

I am working with kendo ui controls.my functionality is to filter the grid based on date-time and drop down selection. This is working on chrome but not in FF and IE.

<pre lang="cs">var gridResult = $('#Grid').data("kendoGrid");

                    var condition = {
                        logic: "and",
                        filters: [
                            { field: "Category", operator: "equals", value: $("#nw").val() },
                            { field: "Device", operator: "equals", value: $("#pro").val() },
                            { field: "Orig", operator: "equals", value: $("#work").val() },
                            { field: "Term", operator: "equals", value: $("#network").val() }
                        ]
                    };
                    if (mindate !== null) {
                        condition.filters.push({ field: "Time", operator: "ge", value: new Date(mindate) });
                    }
                    if (maxdate !== null) {
                        maxdate = new Date(maxdate);
                        maxdate.setHours(23, 59, 59, 999);
                        condition.filters.push({ field: "Time", operator: "lt", value: maxdate });
                    }
                    gridResult.dataSource.filter(condition);

                return false;
            });

        $('#fromdatetimepicker').attr('readonly', false);
        $('#todatetimepicker').attr('readonly', false);
      }