How to show item count on pager ? about jsgrid HOT 3 CLOSED

$("#jsGrid").jsGrid({
    ...

    pagerFormat: "total items: {itemsCount}",

    onRefreshed: function() {
        $(".jsgrid-pager").contents().filter(function() {
            return this.nodeType == 3;
        }).each(function(){
            this.textContent = this.textContent.replace('{itemsCount}', $("#jsGrid").jsGrid("_itemsCount"));
        });
    }
});