Detecting presence of a scroll bar in a DIV using jQuery? [duplicate]

Answer 1

// plugtrade.com - jQuery detect vertical scrollbar function //
(function($) {
    $.fn.has_scrollbar = function() {
        var divnode = this.get(0);
        if(divnode.scrollHeight > divnode.clientHeight)
            return true;
    }
})(jQuery);

example:

if($('#mydiv').has_scrollbar()) { /* do something */ }