JSGrid Storing Filter and Sorting

HTML

<link rel="stylesheet" href="http://js-grid.com/css/jsgrid.min.css">
<link rel="stylesheet" href="http://js-grid.com/css/jsgrid-theme.min.css">
<script src="http://js-grid.com/js/jsgrid.min.js"></script>
<script src="http://underscorejs.org/underscore-min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.10.4/themes/redmond/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
<div id="jsGrid"></div>
<button type="button" id="saveSettings">Save Settings</button>

JavaScript

var db = {

        loadData: function(filter) {
            return $.grep(this.clients, function(client) {
                return (!filter.Name || client.Name.toLowerCase().indexOf(filter.Name) > -1)
                    && (!filter.Age || client.Age === filter.Age)
                    && (!filter.Address || client.Address.indexOf(filter.Address) > -1)
                    && (filter.Country === "-" || client.Country === filter.Country)
                    && (filter.Married === undefined || client.Married === filter.Married);
            });
        }
    };
 // comment
    window.db = db;

db.countries = [
    { Name: "All", Id: "-" },
    { Name: "United States", Id: "US" },
    { Name: "Canada", Id: "CA" },
    { Name: "United Kingdom", Id: "UK" },
    { Name: "France", Id: "FR" },
    { Name: "Brazil", Id: "BR" },
    { Name: "China", Id: "CH" },
    { Name: "Russia", Id: "RU" }
];

db.clients = [
    {
        "Name": "Otto Clay",
        "Age": 61,
        "Country": "CH",
        "Address": "Ap #897-1459 Quam Avenue",
        "Married": false
    },
    {
        "Name": "Connor Johnston",
        "Age": 73,
        "Country": "RU",
        "Address": "Ap #370-4647 Dis Av.",
        "Married": false
    },
    {
        "Name": "Lacey Hess",
        "Age": 29,
        "Country": "RU",
        "Address": "Ap #365-8835 Integer St.",
        "Married": false
    },
    {
        "Name": "Timothy Henson",
        "Age": 78,
        "Country": "US",
        "Address": "911-5143 Luctus Ave",
        "Married": false
    },
    {
        "Name": "Ramona Benton",
        "Age": 43,
        "Country": "BR",
        "Address": "Ap #614-689 Vehicula Street",
        "Married": true
    },
    {
        "Name": "Ezra Tillman",
        "Age": 51,
        "Country": "US",
        "Address": "P.O. Box 738, 7583 Quisque St.",
        "Married": true
    },
    {
        "Name": "Dante Carter",
        "Age": 59,
        "Country": "US",
        "Address": "P.O. Box 976,...