Auto height div with overflow and scroll when needed

Question

I\'m trying to make a website with no vertical scrolling for a page, but i need that one of the DIVs i have to expand vertically to the bottom of the page (at most), and tha

Answer 1

$(document).ready(function() {
//Fix dropdown-menu box size upto 2 items but above 2 items scroll the menu box
    $("#dropdown").click(function() {
        var maxHeight = 301;
        if ($(".dropdown-menu").height() > maxHeight) { 
            maxHeight = 302;
            $(".dropdown-menu").height(maxHeight);
            $(".dropdown-menu").css({'overflow-y':'scroll'});
        } else {
            $(".dropdown-menu").height();
            $(".dropdown-menu").css({'overflow-y':'hidden'});
        }
    });
});