After insertion and deletion how to insert last inserted item to grid and how to remove last deleted item from grid

[Itsathere]

{
    loadData: function(filter) {
        return $.ajax({
            type: "GET",
            url: "/items",
            data: filter,
            dataType: "json"
        });
    },

    insertItem: function(item) {
        return $.ajax({
            type: "POST",
            url: "/items",
            data: item,
            dataType: "json"
        });
    },

    updateItem: function(item) {
        return $.ajax({
            type: "PUT",
            url: "/items",
            data: item,
            dataType: "json"
        });
    },

    deleteItem: function(item) {
        return $.ajax({
            type: "DELETE",
            url: "/items",
            data: item,
            dataType: "json"
        });
    },
}

above code snippet not explain the insertion and deletion of item from grid.

[Artem Tabalin]

Removal of deleted item and insertion of inserted item should happen automatically. It's defined in the by the load strategy http://js-grid.com/docs/#load-strategies. See finishInsert and finishDelete methods.