Please find below code to find scrollbar

jQuery(document).ready(function() {
    // Check if body height is higher than window height :)
    if (jQuery("body").height() > jQuery(window).height()) {
        alert("Vertical Scrollbar!");
    }

    // Check if body width is higher than window width :)
    if (jQuery("body").width() > jQuery(window).width()) {
        alert("Horizontal Scrollbar!");
    }
});